Kirberger, Robert M.; Bester, Elizabeth G.(Pretoria : University of Pretoria. Faculty of Veterinary Science. Dept. of Companion Animal Clinical Studies, 2018)
The study objectives were to measure gestational sac (GS) diameter and crown-to-rump (CR) length in conscious pregnant rats and to determine the chronological ultrasonographic appearance of heart beat and fetal organogenesis. ...
