1. G Bettendorf, G. Bettendorf, and V. Insler . (1970 ): Clinical Application of Human Gonadotrophin &Proceedings of a Workshop Con-ference, Hamburg . Georg Thieme Verlag, Stuttgart, p.67 .
2. FACTORS INVOLVED IN THE INDUCTION OF FERTILE OVULATION WITH HUMAN GONADOTROPHINS
3. Fertility and Infertility [Abridged]
4. B. Lunenfeld, G. Bettendorf, and V. Insler (1970 ): Clinical Application of Human Gonadotrophins-Proceedings of a Workshop Conference, Hamburg . Georg Thieme Verlag, Stuttgart, p.67 .