00527naa a2200181 a 450000100080000000500110000800800410001910000180006024501100007826000090018865000090019765000280020665000100023465300130024465300130025770000150027077300600028520767862017-10-06       1955    bl uuuu     u00u1 u    #d1 aMcEWEN, A. D.  aEnzootic abortion in ewes. A note on the susceptibility of the pregnant bovine to infection and abortion.  c1955  aEwes  aPregnancy complications  aSheep  aAbortion  aEndemics1 aFOGGIE, A.  tThe Veterinary Recordgv. 67, n. 20, p. 373, May, 1955.