Several days after the companies had received the questionnaire, members of the research team contacted the presidents of eleven of these companies in person or by phone to discuss any ambiguities or difficulties the addressees might have experienced in completing the questionnaire.

Several of these double entries have been collected by Ben Bagley and Michael McWhinney, along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly heard Rodgers and Hart repertory, in a delightfully refreshing album, Rodgers And Hart Revisited ( Spruce Records, 505 Fifth Avenue, New York ).

Several organizations, such as the American Association of Variable Star Observers and Center for Backyard Astrophysics, exist to help coordinate these contributions.

Several small streams that empty into the Black Sea or landlocked Lake Van also originate in these mountains.

Several possible causes exist for these patterns of neurological dysfunction.

Several geological factors have played a vital role in the formation and existence of these subterranean water bodies.

Several other similar systems also existed with even higher performance, but these often required special cabling that was incompatible with LocalTalk / PhoneNet, and also required patches to the networking stack that often caused problems.

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

Several of these are based on the site of The Kings of Wessex School, which is the largest educational establishment.

Several of these formations are still active, though they now are armoured formations, for example Guides Cavalry in Pakistan.

Several of these cartridges were capable of playing more than one game and were typically priced at $ 19. 95.

Several factors determine the sound a drum produces, including the type, shape and construction of the drum shell, the type of drum heads it has, and the tension of these drumheads.

Several of these papers remarked on the difficulty of obtaining good, clean digital audio for research purposes.

Several learning disabilities often occur with dyslexia, but it is unclear whether these learning disabilities share underlying neurological causes with dyslexia.

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 subjects also reported contact with ' other beings ', alien like, insectoid or reptilian in nature, in highly advanced technological environments where the subjects were ' carried ,' ' probed ,' ' tested ,' ' manipulated ,' ' dismembered ,' ' taught ,' ' loved ,' and even ' raped ' by these ' beings.

Several of these theorists were subsequently affiliated with the University of California Irvine.

Several of these communities do not actually border the Detroit River ; the term " Downriver " is used to refer to a cluster of 18 suburban communities that lie to the southwest of the city of Detroit and to the west of the Detroit River.

Several of these shapes were later taken over into minuscule book hand.

Several of these methods may be directly extended to give definitions of e < sup > z </ sup > for complex values of z simply by substituting z in place of x and using the complex algebraic operations.

Several of these, including Saturn Devouring His Son, were painted directly onto the walls of his dining and sitting rooms.

Several of them gained their positions through the patronage of Yasser Arafat, who balanced above the different factions, and the era after his death in 2004 has seen increased infighting among these groups, who jockey for influence over future development, the political line, funds, and constituencies.

Several of these fractions broke off to form their own clubs, such as the Club of ' 89.

Several Grand Prix teams established formal links with F3000 teams to develop young drivers ( and engineering talent ); these relationships varied from formal " junior teams " ( such as the one McLaren set up for Nick Heidfeld ) to fairly distant relationships based mostly upon shared sponsors and the use of the ' parent ' team's name.

Several questions not related to clean election or campaign finance reform appear in this quiz, including one that asks about the number of Americans without health insurance and has no follow-up questions tying healthcare reform to the organization's mission.

Several cases have been described where routine follow-up examinations conducted over a period of years showed that the supernumerary testicle was stable.

Several singer-songwriters associated with High Street appeared on the 1989 Windham Hill compilation, Legacy: A Collection of New Folk Music and the 1992 follow-up on High Street, Legacy II: A Collection of Singer-songwriters.

Several games were also published under licence in Japan, notably World Class Rugby for the Super NES, and a follow-up, World Class Rugby 2, both of which were published by Imagineer.

Several tracks for the follow-up album had already been in the band's live rotation for some time when writing began in earnest.

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 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 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.