1. Copulatory behavior can inhibit pregnancy in female rats;Adler;Science,1970
2. Bates , D. Maechler , M. Bolker , B. Walker , S. 2014 lme4: Linear mixed-effects models using Eigen and S4 http://CRAN.R-project.org/package=lme4
3. Controlling the false discovery rate: a practical and powerful approach to multiple testing;Benjamini;J. R. Stat. Soc.,1995
4. Beobachtungen zumn Kopulationspfropf des Mäuseweibchens;Bloch;Experientia,1972
5. Mouse estrous cycle identification tool and images;Byers;PLoS ONE,2012