Several attempts have been made to produce an artificial meat, using isolated tissues to produce it in vitro ; Jason Matheny's work on this topic, which in the New Harvest project, is one of the most commented.

Several members of the thaumatin protein family display significant in vitro inhibition of hyphal growth and sporulation by various fungi.

Several current research projects are growing in vitro meat experimentally, although no meat has yet been produced for public consumption.

Several studies have documented this effect in yeast, bacteria, protozoa, algae, plants, insects, as well as in in vitro mammalian and human cells and in animal models.

Several studies have shown an increased rate of cancer mortality for workers exposed to 2, 4, 5-T.

Several studies have tried to reconstruct the phylogeny of the genus.

Several studies published since 1990 indicate that cooking meat at high temperature creates heterocyclic amines ( HCAs ), which are thought to increase cancer risk in humans.

Several brain imaging techniques, such as EEG and fMRI, have been used for physical measures of brain activity in these studies.

Several in-depth studies of salamander genera in fossil beds in Montana show that six of seven genera were unchanged after the event.

Several of these follow-up studies, which involved viewing in group settings, reported some limited success.

Several studies have specifically addressed Duesberg's claim that recreational drug abuse or sexual promiscuity were responsible for the manifestations of AIDS.

Several clinical and experimental data have implicated the failure of blood – brain barrier ( BBB ) function in triggering chronic or acute seizures, some studies implicate the interactions between a common blood protein — albumin and astrocytes.

Several other studies have also found lasting cognitive gains.

Several demographic studies, including those by social work researcher Athena Kolbe have shed light on the current status of urban residents.

Several studies have suggested that hedge funds are sufficiently diversifying to merit inclusion in investor portfolios, but this is disputed for example by Mark Kritzman who performed a mean-variance optimization calculation on an opportunity set that consisted of a stock index fund, a bond index fund, and ten hypothetical hedge funds.

Several studies have discovered that subjects who received no jury instructions comprehended the law better than subjects who received pattern instructions.

Several researchers include the island of Cyprus in Levantine studies, including the Council for British Research in the Levant, the UCLA Near Eastern Languages and Cultures department, and the UCL Institute of Archaeology, the last of which has dated the connection between Cyprus and mainland Levant to the early Iron Age.

Several clinical studies have shown that combined ECPs containing ethinyl estradiol and levonorgestrel can inhibit or delay ovulation .< sup > 107 – 110 </ sup ></ ref >

Several regression studies with David Meiselman during the 1960s suggested the primacy of the money supply over investment and government spending in determining consumption and output.

Several studies place the nucleariids as a sister group to the fungi.

Several epidemiological studies from different countries have reported widely varying prevalence rates for chronic pain, ranging from 12-80 % of the population.

Several detailed studies using various methods to measure growth curves among known specimens have demonstrated that there is actually only one valid Pterodactylus species, P. antiquus.

Several studies ( Alfredo Torero or Rodolfo Cerrón Palomino ) show that the oldest form of Quechua appeared in Cajamarquilla, Lima.

Several police organizations condemned this study and suggested more studies like this would make them hesitant to pull over visible minorities.

Several sources claim that during his studies he was more interested in religion than joining the military.

Several neuroimaging studies have emerged in order to identify areas associated with stuttering.

Several studies show that between 50 % and 73 % of women who have used this type of condoms during intercourse find them as or more comfortable than male condoms.

Several official design studies were done, but most were basically smaller versions of the existing Shuttle concept.

Several works among the best known during this long period could be cited as an example, from Strabo ( Geography ), Eratosthenes ( Geography ) or Dionisio Periegetes ( Periegesis Oiceumene ) in the Ancient Age to the Alexander von Humboldt ( Cosmos ) in the century XIX, in which geography is regarded as a physical and natural science, of course, through the work Summa de Geografía of Martín Fernández de Enciso from the early sixteenth century, which is indicated for the first time the New World.

Several studies have indicated that pineal melatonin feeds back on SCN rhythmicity to modulate circadian patterns of activity and other processes.

Several reports indicated Depp bought Burnham Westgate Hall in Norfolk, England, a 13-bedroom Georgian country house, in June 2011.

Several extend into neighboring counties ( as indicated below ).

Several large studies have indicated a link between consumption of high amounts of trans fat and coronary heart disease, and possibly some other diseases, prompting a number of government health agencies across the world to recommend that the intake of trans-fats be minimized.

Several studies have indicated that consumption of about 2 grams per day provides a reduction in LDL cholesterol of about 10 %.

Several polls have indicated peer pressure as a factor in encouraging both girls and boys to have sex.

Several studies on BitTorrent have indicated that a large portion of files available for download via BitTorrent contain malware.

Several other studies, however, have indicated absence of estrogenic effects and compounds in black cohosh-containing materials.

Several studies have indicated that bupropion also relieves sexual dysfunction in people who do not have depression.

Several polls have indicated peer pressure as a factor in encouraging both girls and boys to have sex.

Several psychoanalytic case studies indicated that cryptorchism by itself would not produce psychological disorder ; but when combined with a common distinctive family pathology it did produce typical symptoms.

Several small earthquakes beginning as early as March 15, 1980, indicated that magma may have been moving below the volcano.

Several reconnaissance missions into the storm indicated that it attained hurricane status during the afternoon of September 2 ; however, in the official Atlantic hurricane database, it is not listed as reaching this intensity until the nighttime hours.

Several large fossae are indicated on the map

Several studies have indicated that GQDs with controlled structure can be incorporated into a wide variety of applications in electronics, optoelectronics and electromagnetics.

Several of these were considered to be of Holocene age, but later Potassium-Argon dating indicated mid-to late-Pleistocene ages.

Several times Petermann indicated that he disagreed with the reports of explorers, probably basing his arguments on reports and literature at his disposal or on sound geographic reasoning.

Several studies have indicated that the PDO index can be reconstructed as the superimposition of tropical forcing and extra-tropical processes.

Several more senior officers had either resigned from or indicated their unwillingness to accept command of the expedition.

Several letters of complaint were printed in the York newspapers of the time, and the scheme suffered when the Archbishop indicated there was no punishment for vicars who failed to comply.

Several studies have indicated that quantifying the amount of lipofuscin present in the eye-stalks of various crustaceans can give an index of their age.

Several reports have indicated that the company often fails to follow up on rebates, often making false claims of refunding money lost through rebate fraud.

Several studies indicated that even when viewers watched WAKR, they assumed they were watching WEWS, since both stations had a large amount of common programming from ABC.