1. Teratogenic effects from overripeness of the egg;Witschi, E.,1970
2. Malformations in a population observed for five years after birth;McKeown, T.; Record, R.C.;Ciba Foundation Symposium on Congenital Malformations,1960
3. The outcome of 625 pregnancies in women subjected to pelvic radium or roentgen irradiation;Murphy, D.P.;Am J Obstet Gynecol,1929
4. Therapeutic abortions with a folic acid antagonist, 4-aminopteroylglutanic acid (4-amino PGA) administered by the oral route;Thiersch, J.B.;Am J Obstet Gynecol,1952
5. Foetal malformations due to thalidomide;Lenz, W.; Knapp, K.;Ger Med Mthly