Epidemiology of Pregnancy and Abortion

Is Pregnancy Really Normal

Family Planning Perspectives 3(1):1-6, 1971.


The Epidemiologic Foundations of Abortion Practice

In Abortion Practice by W.M. Hern. Boulder: Alpenglo Graphics, 1990 (Second printing, softcover). Chapter 1. First printing: Philadelphia: J.B. Lippincott Company, 1984


The Illness Parameters of Pregnancy, 1975

Social Science and Medicine 9:365-372, 1975 (England)