Lang, R M A time-course study of the effects of pentobarbital, fentanyl, and morphine chloralose on myocardial mechanics. [electronic resource] - Journal of applied physiology (Bethesda, Md. : 1985) Jul 1992 - 143-50 p. digital Publication Type: Comparative Study; Journal Article ISSN: 8750-7587 Standard No.: 10.1152/jappl.1992.73.1.143 doi Subjects--Topical Terms: Anesthetics--pharmacologyAnimalsChloralose--pharmacologyDogsFentanyl--pharmacologyHeart Rate--drug effectsIntubation, IntratrachealMorphine--pharmacologyMyocardial Contraction--drug effectsPentobarbital--pharmacologyVentricular Function, Left--drug effects