Several independent mass estimates, obtained by different methods, suggest that an adult Albertosaurus weighed between 1. 3 tonnes ( 1. 4 short tons ) and 1. 7 tonnes ( 1. 9 tons ).

Several speculative and yet untested hypotheses suggest that endogenous DMT is produced in the human brain and is involved in certain psychological and neurological states.

Several screening studies in Europe, South America, Australasia, and the USA suggest that approximately 0. 5 – 1 % of these populations may have undetected coeliac disease.

Several commentators have observed that the propositions " All ravens are black " and " All non-black things are non-ravens " suggest different procedures for testing the hypotheses.

Several studies using cultured cells and laboratory rodents suggest the possibility of leukemogenic, genetic, reproductive, and neurological effects from chronic exposure.

Several things suggest that the temple was never actually finished.

Several concert sound subwoofer manufacturers suggest that their subs can be used for bass instrument amplification.

Several Romanian historians ( e. g., Vlad Georgescu ) suggest that Thocomerius followed Bărbat ( the latter had been mentioned in a letter of grant of 8 January 1285 issued by King Ladislaus IV of Hungary as the brother and successor of Litovoi, a voivode in modern Oltenia ).

Several accounts, based on remarks written by the gem's first known owner, French gem merchant Jean Baptiste Tavernier, suggest the gemstone originated in India, in the Kollur mine in the Guntur district of Andhra Pradesh ( which at the time had been part of the Golconda kingdom ), in the seventeenth century.

Several sources from the High Middle Ages suggest that there was a common Carantanian ( that is, Carinthian ) identity that slowly vanished after the 14th century and was replaced by a regional Carniolan identity.

Several biologists, including Sean B. Carroll of the University of Wisconsin – Madison suggest that " changes in the cis-regulatory systems of genes " are more significant than " changes in gene number or protein function ".

Several letters suggest she may have had romantic feelings for Pollak for many years.

Several inscriptions suggest that the temple of Endovelicus was used as an oracle.

Several documents illustrate Isaac ’ s long stay in Florence under the employment of Santa Maria del Fiore and Santissima Annunziata as a singer, and also suggest that he may have developed a close working-relationship with Lorenzo de ’ Medici.

Several accounts of the Dodds brothers suggest that they did not always get along.

Several episodes suggest that he was a spy or similar operative ( code number ZM-73, as well as several other aliases ).

Several stories suggest that Dick Turpin may have followed his father into these trades ; one story hints that as a teenager he was apprenticed to a butcher in the village of Whitechapel, and another suggests that he ran his own butcher's shop in Thaxted.

Several experts, including the former Curator of the Department of Renaissance and Baroque Painting in the Museo del Prado and current Director of the Moll Institute of Studies of Flemish Paintings, in Madrid, Professor Matías Díaz Padrón, suggest that this " could be a model " painted by Velázquez before the completed work which hangs in the Prado Museum, perhaps to be approved by the king.

Several studies suggest that the landscape has critical thresholds at which ecological processes will show dramatic changes, such as the complete transformation of a landscape by an invasive species with small changes in temperatures which favors the invasive's habitat requirements.

Several sources suggest that keratoconus likely arises from a number of different factors: genetic, environmental or cellular, any of which may form the trigger for the onset of the disease.

Several lines of evidence suggest that mast cells may have a fairly fundamental role in innate immunity – they are capable of elaborating a vast array of important cytokines and other inflammatory mediators such as TNFa, they express multiple " pattern recognition receptors " thought to be involved in recognizing broad classes of pathogens, and mice without mast cells seem to be much more susceptible to a variety of infections.

Several infectious agents appear to be significantly associated with sarcoidosis, but none of the known associations is specific enough to suggest a direct causative role.

Several studies suggest the presentation in people of African origin may be more severe and disseminated than for Caucasians, who are more likely to have asymptomatic disease.

Several reports suggest that group psychotherapy can be successful for the treatment of dependent personality disorder.

Several delegates discussed the possibility of either removing or reducing Stalin's powers.

Several revisions were proposed before its adoption, which chiefly differed in the way in which peace and war were distinguished ( including the possibility of a situation, such as unrest, which was neither peace nor war ), and whether the executive or the legislature would have the authority to authorize quartering.

Several sources have compared the Martinsburg shale to the Marcellus Shale formations to the West in Pennsylvania and New York and cited that there is the possibility of natural gas extraction in this region.

Several academic historians believe that, while the possibility of a family or two stopping in Montrose along the Northern Trail is certainly plausible, the number of increased African Americans during the time is most likely explained by the then-bourgeoning coal industry just south of the county that appealed to many immigrants and former slaves looking for work.

Several times the possibility of commercial production has been investigated.

Several teams commented that they were still pursuing arena football in 2010 with the possibility of using the financially independent arenafootball2.

Several research groups are exploring the possibility of recovering palladium by various methods like direct electrolysis of high-level liquid waste, using room temperature ionic liquids ( RTILs ) as electrolyte for nuclear fuel dissolution and recovery, solvent extraction, ion exchange, etc.

Several studies have also controlled for the possibility of reverse causality from peace to democracy.

Several Regional integration efforts have effectively promoted intergovernmental cooperation and reduced the possibility of regional armed conflict.

Several models had already been proposed to explain this anomaly, all of them banking on the possibility of a sharp decrease of density with increase in height that might negate the effect of increased weight of the element.

* Several RTS games have the possibility to use nuclear devices as " superweapons "; Command & Conquer series, Total Annihilation, Supreme Commander, and Empire Earth are typical examples.

Several US states sought ways to block the move, citing security concerns as well as the possibility of losing related leases of foreign ports.

Several tribal elders of the Sefwi have been exploring the possibility of a Jewish ancestry to their people, and some claim to have recognized their Judaic past.

Several proteins are involved, but two main methods of regulation have been identified: targeting mitochondria functionality, or directly transducing the signal via adaptor proteins to the apoptotic mechanisms.

* Several Aramaic targums of Esther were produced in the Middle Ages of which two survive-the Targum Rishon (" First Targum ") and Targum Sheni (" Second Targum ") dated c. 500-1000 CE.

Several enumerations have occurred since then, with the most recent two being carried out by Statistics South Africa in 1996 and 2001.

Several opponents of smallpox inoculation, among them John Williams, stated that there were only two laws of physick ( medicine ): sympathy and antipathy.

The original full version of the letter, called Return of the Several Ministers dated June 15, 1692, and had already been reprinted in the fall 1692 in the final two pages of Increase Mather's Cases of Conscience.

Several carbides are assumed to be salts of the acetylide anion C < sub > 2 </ sub >< sup > 2 – </ sup > ( also called percarbide ), which has a triple bond between the two carbon atoms.

Several variants of democracy exist, but there are two basic forms, both of which concern how the whole body of citizens executes its will.

Several recent Tao Te Ching translations ( e. g., Lau 1989, Henricks 1989, Mair 1990, Henricks 2000, Allan and Williams 2000, and Roberts 2004 ) utilize these two versions, sometimes with the verses reordered to synthesize the new finds.

Several sources informed Paul of conflicts within the church at Corinth: Apollos ( Acts 19: 1 ), a letter from the Corinthians, the " household of Chloe ", and finally Stephanas and his two friends who had visited Paul ( 1: 11 ; 16: 17 ).

Several schools of thought existed within the medical field during Galen's lifetime, the main two being the Empiricists and Rationalists ( also called Dogmatists or Philosophers ), with the Methodists being a smaller group.

Several times since 1995, the American Shakespeare Center has mounted repertories that included both Hamlet and Rosencrantz and Guildenstern, with the same actors performing the same roles in each ; in their 2001 and 2009 seasons the two plays were " directed, designed, and rehearsed together to make the most out of the shared scenes and situations ".

Several versions are available for the UNIX-based Mac OS X, including a text-mode version using Fink or MacPorts and two graphical versions, IrssiX, and MacIrssi.

Several films followed in the next couple of years, including two 15 minute shorts that are still shown regularly in Norway today, Veslefrikk med Fela ( Little Freddy and his Fiddle ), based on a Norwegian folk tale, and Karius og Baktus, a story by Thorbjørn Egner of two little trolls, representing Caries and Bacterium, living in a boy's teeth.

Several verses speak of Isaac as a " gift " to Abraham ( VI: 84 ; XIX: 49-50 ), and XXIX: 26-27 adds that God made " prophethood and the Book to be among his offspring ", which has been interpreted to refer to Abraham's two prophetic sons, his prophetic grandson Jacob, and his prophetic great-grandson Joseph.

Several national expert groups came to the same result ; on top of all two international expert groups have in full detail evaluated the available data and finally concluded that any food at any dose is wholesome and safe to consume as long as it remains palatable and maintains its technical properties.

Several Lord Peter Wimsey novels were made into television productions by the BBC, in two separate series.

Several companies did succeed in making 68000-based Unix workstations with virtual memory that worked by using two 68000 chips running in parallel on different phased clocks.

Several commentators believed that changing demographics and unfavourable preference deals would demolish the Nationals at the state election that year, but they went on to enjoy considerable success by winning two extra lower house seats.

Several topological forms exist ; one cell surface form anchored via glycolipid and two transmembrane forms.

Several approaches to the problem of increasing the rate of fire were developed, the earliest being multi-barrelled weapons which allowed two or more shots without reloading.

Several times since 1995, the American Shakespeare Center has mounted repertories that included both Hamlet and Rosencrantz and Guildenstern, with the same actors performing the same roles in each ; in their 2001 and 2009 seasons the two plays were " directed, designed, and rehearsed together to make the most out of the shared scenes and situations ".

Several supplements were published for TNE covering most if not all of what the year 1201 was like, but before any of the meta-events could start to advance the timeline, GDW fell on a string of bad luck and finally was forced to close its doors, after twenty two years in which it had published one new product every 22 days on average ( not counting magazines ).

Several drafts of the procedures have been preserved in letters written between the two.