Several clinical and epidemiological studies conducted in the United States and in the United Kingdom have investigated the occurrence of MCS in military personnel deployed to the Persian Gulf during the 1990s.

Several epidemiological studies in the years since the accident have supported the conclusion that radiation released from the accident had no perceptible effect on cancer incidence in residents near the plant, though these findings are contested by one team of researchers.

Several epidemiological studies have revealed that people who consume nuts regularly are less likely to suffer from coronary heart disease ( CHD ).

Several different epidemiological studies indicate antibiotic resistance is increasing in clinical isolates.

Several epidemiological studies suggest that people with high calcium intake have a reduced risk of colorectal cancer.

Several characteristics were considered from an epidemiological perspective as being correlated with the condition.

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 vitro studies indicated that high concentrations of chromium ( III ) in the cell can lead to DNA damage.

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 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 germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.

Several soft drinks contain extracts from kola nuts, the seed of the kola tree cultivated in the West Indies and South America.

Several times it came near breaking, and there were in fact some lovely peals of thunder from Jerry Mulligan's big band, which is about as fine an aggregation as has come along in the jazz business since John Hammond found Count Basie working in a Kansas City trap.

Several instances of popular etymology are attested from ancient authors.

Several of the sights on her trip inspired her, and they found their way into her poem, including the World's Columbian Exposition in Chicago, the " White City " with its promise of the future contained within its alabaster buildings ; the wheat fields of America's heartland Kansas, through which her train was riding on July 16 ; and the majestic view of the Great Plains from high atop Zebulon's Pikes Peak.

Several of the dialects have been influenced by contact with non-Germanic linguistic groups, such as the dialect of Carinthia, where in the past many speakers were bilingual with Slovene, and the dialect of Vienna, which has been influenced by immigration during the Austro-Hungarian period, particularly from what is today the Czech Republic.

Several other oxidation states are known, which range from + 2 to + 7 and can be identified by their characteristic optical absorption spectra.

Several changes were made in regard to the myth, most notably that Perseus did not marry Andromeda after he rescued her from the sea monster.

Several scholars have argued that Acts used material from both of Josephus ' works, rather than the other way around, which would indicate that Acts was written around the year 100 or later.

Several recent authors have theorised that the Ark was taken from Jerusalem to the village of Rennes-le-Château in Southern France.

Several feet below the earth, temperature ranges from in North Dakota to, in Southern Florida.

Several memorials to his heroic deed have been erected over the years, against great opposition from the citizenry: in the Ludwigskirche, in the Gymnasium Carolinum and at No 6 Kronenstrasse.

Several intact arched stone bridges from the Hellenistic era can be found in the Peloponnese in southern Greece

Several of the heavier bromine isotopes from fission are delayed neutron emitters.

Several of the Commonwealth nations followed the British lead and sourced buses from British manufacturers, leading to a prevalence of double-decker buses.

Several of the buildings on the Brown campus from its founding 18th century period through the 20th century offer fine representation of the Georgian style of American colonial era architecture.

Several years later, Purcell would give the Herald a suburban presence it never had by purchasing the money-losing Community Newspaper Company from Fidelity Investments.

Several non-archosaurian lizard species move bipedally when running, usually to escape from threats.

Several of the extinct Baltic languages have a limited or nonexistent written record, their existence being known only from the records of ancient historians and personal or place names.

Several paleontologists suggest the possibility of two separate brown bear migrations: grizzlies are thought to stem from narrow-skulled bears which migrated from northern Siberia to central Alaska and the rest of the continent, while Kodiak bears descend from broad-skulled bears from Kamchatka, which colonized the Alaskan peninsula.

Several Arab states supported Libyan territorial claims to the Strip, among the most outspoken of which was Algeria, which provided training for anti-Habré forces, although most recruits for its training programs were from Nigeria or Cameroon, recruited and flown to Algeria by Libya.