Fertility regulating vaccines :

report of a meeting between women's health advocates and scientists to review the current status of the development of fertility regulating vaccines, Geneva, 17-18 August 1992

https://apps.who.int/iris/handle/10665/61301

https://apps.who.int/iris/bitstream/handle/10665/61301/WHO_HRP_WHO_93.1.pdf?sequence=1&isAllowed=y