Ohale, L.O.C.; Boomker, Jacob Diederik Frederik
(Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2001)
The closure of the ductus arteriosus (DA) of 31 indigenous South African
goats, whose ages ranged from 30 days prenatal to 60 days postnatal, were
studied at an altitude of 1514 m above sea level by vascular ...