Roy G. Farquharson
Brenda Krause Eheart
E. Jauniaux
E. R. Barnea
Toshio Hata
A. A. Templeton
World Congress on Fertility and Sterility (12th 1986 Singapore)
International Symposium on First Trimester Fetal Diagnosis (1985 Lausanne, Switzerland)
Carolyn Jarvis
Jean-Michel Foidart
B. Brambati
Margie Profet
S. Shan Ratnam
Sergio Fabro
G. Pescia
Klaus Kraemer
J. G. Grudzinskas