1. Staging of mouse seminiferous tubule cross-sections;Ahmed;Methods in Molecular Biology,2009
2. Examination of normal and abnormal placentation in the mouse;Blackburn;Methods in Molecular Biology,2000
3. Mouse estrous cycle identification tool and images;Byers;PLoS ONE,2012
4. Assessing reproductive status/stages in mice;Caligoni;Current Protocols in Neuroscience,2009
5. Determining stage of the estrous cycle in the mouse by appearance of the vagina;Champlin;Biology of Reproduction,1973