Allen, W E Plasma concentrations of sodium benzylpenicillin after intrauterine infusion in pony mares. [electronic resource] - Equine veterinary journal Jul 1978 - 171-3 p. digital Publication Type: Journal Article ISSN: 0425-1644 Standard No.: 10.1111/j.2042-3306.1978.tb02250.x doi Subjects--Topical Terms: AnimalsEstrusFemaleHorses--bloodInjectionsPenicillin G--administration & dosagePregnancyUterus