1. The physiology of reproduction in the cow;Hammond,1927
2. Postpartum ovarian activity and uterine involution in dairy cattle;Morrow;J. Am. Med. Assoc.,1966
3. Cystic corpora lutea in cattle;McEntee;Int. J. Fertil.,1958
4. Study on the duration of liquid in the antrum of the corpus luteum and its influence on the ovarian cycle in the cow;Homma;Japan. J. Anim. Reprod.,1960
5. Some observations on bovine cystic corpora lutea;Hansel,1964