1. Leukocyte antibodies: occurrence in primigravidae;Ahrons;Tissue Antigens,1971
2. Immunological aspects of the equine endometrial cup reaction;Allen,1975
3. Maternal recognition of pregnancy and immunological implications of trophoblast-endometrium interactions in equids;Allen,1979
4. Placentation;Amoroso,1952
5. Lymphocyte alloantigens of the horse;Antczak,1982