The study of birth defects has assumed an importance even greater now than in the past because mortality rates attributed to congenital anomalies have declined

"This new edition will continue to serve as a reference for use by clinical and research geneticists, teratologists, obstetricians, and pediatricians."--BOOK JA

Links information on experimental teratogenic agents with the congenital defects in human beings.

"A pregnant woman should not take any drug unless it is necessary for her own health or that of her fetus," note J. M. Friedman and Janine Polifka. "Counseling

Marijuana is the most commonly used psychotropic drug in the United States, after alcohol. With the legalization and decriminalization of cannabis, momentum con