Maternal Smoking and Placenta Previa

Autor: Kramer, Michael D., Taylor, Victoria, Hickok, Durlin E., Daling, Janet R., Vaughan, Thomas L., Hollenbach, Kathryn A.
Zdroj: Epidemiology, 1991 May 01. 2(3), 221-223.
Databáze: JSTOR Journals