Luciano Martini
John Osborn Polak
Roger Smith
Raphael Kurzrok
Fuller W. Bazer
T. Zondek
Jose . Botella Llusia
Physiology and Control of Parturition in Domestic Animals (Conference) (1979 Neustadt)
Symposium de Endocrinología Obstétrica Barcelona 1974.
Emil Novak
Arnold Klopper
Daniel R. Mishell
Fritz Fuchs
International Symposium on Clinical Psychoneuroendocrinology in Reproduction Venice 1979.
World Health Organization. Scientific Group on Endocrine Regulation of Human Gestation.
Dan Tulchinsky
Rapin Osathanondh
Jorge R. Pasqualini