Extremal contractions which contract divisors to points in projective threefolds with ${\Bbb Q}\text{-factorial}$ terminal singularities are studied and divided into two categories: index increasing ...

Carbachol-evoked contractions of descending colon strips from patients with CC (A, B). Dose-response effects of carbachol on the amplitude of contraction of circular (Aa) and longitudinal (Ba) muscle ...

Hello and welcome to the English Language Clinic. Following last week?s article on the use of apostrophes, I have been asked to give some examples of ?contractions? (two words joined to form one new ...