- Use of mandelic acid condensation polymer (SAMMA), a new antimicrobial contraceptive agent, for vaginal prophylaxis. Zaneveld, L.J., Anderson, R.A., Diao, X.H., Waller, D.P., Chany, C., Feathergill, K., Doncel, G., Cooper, M.D., Herold, B. Fertil. Steril. (2002)