“…The effects of some prostaglandins on respiration in the rabbit Upjohn Ltd., Crawley, Sussex RHlO ZNJ, U.K. Certain prostaglandins have been shown to stimulate respiration in various animal species; the dog, calf, rat, guinea-pig, and man (Maxwell, 1967;Lewis & Eyre, 1972;McQueen, 1972McQueen, , 1973 and references cited therein). Excluding man, all studies involved animals anaesthetised with pentobarbitone sodium.…”