Diagnosis of pregnancy and number of foetuses in sheep by real-time ultrasonic imaging. I. Effects of number of foetuses, stage of gestation, operator and breed of ewe on accuracy of diagnosis
Douglas G Fowler, John F WilkinsVolume:
11
Year:
1984
Language:
english
DOI:
10.1016/0301-6226(84)90055-1
File:
PDF, 793 KB
english, 1984