1. Is the incidence of hypospadias increasing? Analysis of Finnish hospital discharge data 1970–1994;Aho;Environ. Health Perspect.,2000
2. Long-term effects of perinatal exposure to sex steroids and diethylstilbestrol on the reproductive system of male mammals;Arai;Int. Rev. Cytol.,1983
3. Decline in semen quality among fertile men in Paris during the past 20 years;Auger;N. Engl. J. Med.,1995
4. Baracaldo, M.I., Barth, A.D., Bertrand W., 2007. Steps for freezing bovine semen: from semen collection to the liquid nitrogen. IVIS Reviews in Veterinary Medicine, 30 January, R0105.0107.
5. Barth, A.D., 1995. Evaluation of frozen bovine semen by the veterinary practitioner. In: Proceedings of Bovine Short Course. American College of Theriogenologists and Society for Theriogenology, Hastings, NE, p. 105.