Shideler, S., Savage, A., Ortuño, A., Moorman, E., & Lasley, B. (1994). Monitoring female reproductive function by measurement of fecal estrogen and progesterone metabolites in the white-faced saki (Pithecia pithecia).

Shideler, S..E., A. Savage, A.M Ortuño, E.A Moorman, och B.L Lasley. Monitoring Female Reproductive Function By Measurement of Fecal Estrogen and Progesterone Metabolites in the White-faced Saki (Pithecia Pithecia). 1994.

Shideler, S..E., et al. Monitoring Female Reproductive Function By Measurement of Fecal Estrogen and Progesterone Metabolites in the White-faced Saki (Pithecia Pithecia). 1994.