1. Kallikrein, kinin and cell proliferation;Rixon,1973
2. Significance of the kallikrein-kinin system in andrology;Schill,1989
3. Kallikrein and male infertility;Ishigami,1981
4. Improvement of cervical mucus spermatozoal penetration by kinins: a possible therapeutic approach in the treatment of male subfertility;Schill,1977
5. The possible role of kinins in sperm motility;Schill;Int J Fertil,1974