1. Vaccines for Fertility Regulation: The Assessment of their Safety and Efficacy,1991
2. Contraceptive vaccines;Aitken;British Medical Bulletin,1993
3. Evaluation of glycosylated and deglycosylated porcine zona antigens for contraceptive efficacy in vivo and in vitro;Aitken,1990
4. Gamete Interaction: Prospects for Immunocontraception,1990
5. Effect of ingested sperm on fecundity in the rat;Allardyce;Journal of Experimental Medicine,1984