00651naa a2200241 a 450000100080000000500110000800800410001910000160006024501010007626000090017765000090018665000130019565000170020865000150022565000140024065000170025465000100027165000120028165300170029365300190031065300170032977300630034620797192017-11-14       1970    bl uuuu     u00u1 u    #d1 aROSS, D. B.  aA comparison between the use of a vasectomised ram and hormone impregnated intravaginal sponges.  c1970  aEwes  aHormones  aPharmacology  aPhysiology  aPregnancy  aReproduction  aSheep  asurgery  aDrug effects  aOestrous cycle  aVas Deferens  tThe Veterinary Recordgv. 87, n. 9, p. 273-275, Aug. 1970.