Montanari, T.; Carvalho, J. E.; Dolder, H. Antispermatogenic effect of Achillea millefolium L. in mice. Contraception, v. 58, n. 5, p. 309-313, 1998. Disponível em: http://www.contraceptionjournal.org/article/S0010-7824(98)00107-3/pdf
Montanari, T.; Carvalho, J. E.; Dolder, H. Effect of Maytenus ilicifolia Mart.ex. Reiss on spermatogenesis. Contraception, v. 57, n. 5, p. 335–339, 1998. Disponível em: http://www.contraceptionjournal.org/article/S0010-7824(98)00038-9/pdf