A Reexamination of Smoking Before, During, and After Pregnancy
Robert S. Kahn, MD, MPH,
Laura Certain, BA and
Robert C. Whitaker, MD, MPH
Robert S. Kahn and Robert C. Whitaker are with the Division of General and Community Pediatrics, Childrens Hospital Medical Center, Cincinnati, Ohio. Laura Certain is with the University of Washington School of Medicine, Seattle, Wash.