TY - GEN AU - Wilsmore,A J AU - Izzard,K A AU - Dagnall,G J AU - Wilsmore,B C AU - Woodland,R M TI - Protection of ewes vaccinated with A22 strain Chlamydia psittaci (ovis) against challenge in pregnancy with homologous and heterologous strains of the organism SN - 0007-1935 PY - 1990///1017 KW - Abortion, Veterinary KW - prevention & control KW - Animals KW - Bacterial Vaccines KW - Chlamydophila psittaci KW - immunology KW - Female KW - Pregnancy KW - Psittacosis KW - Sheep KW - Sheep Diseases N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1016/s0007-1935(11)80028-x ER -