1. Garza-Flores J, Martínez M, Díaz L, Pérez-Placios G. Risks and benefits of hormonal contraception. Oficina Sanitaria Panamericana; 1993.
2. Hofmeister H, Annen K, Laurent H, Petzoldt K, Wiechert R. Synthesen von Gestodene. Arzneim-Foresch Drug Res. 1986;36:781–3.
3. Schering AG. Pharmacokinetic data on file.
4. Spona J, Huber J. Pharmacological and endocrine profiles of gestodene. Int J Fertil (suppl). 1987;32:6–14.
5. Spona J, Huber J. Inhibition of ovulation with gestodene. Gestodene: Proceedings of a special satellite symposium held in conjunction with the XI World Congress of Gynecology and Obstetrics. Carnforth: Parthenon Publishing Group; 1987:45–54.