Prenatal sonography: a useful adjunct in the management of the gravid captive Pacific walrus (Odobenus rosmarus divergens).
Barr
L L
LL
Department of Radiology, Children's Hospital Medical Center, Cincinnati, OH 45229-3039.
Gillespie
D
D
Campbell
M K
MK
Babcock
D S
DS
D000818:Animals; D000836:Animals, Zoo; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology; D016216:Ultrasonography, Prenatal / Q000662:veterinary*; D014856:Walruses