Tác giả: David A. Grimes

Maureen Paul, MD, MPH – Planned Parenthood of NYC, Mt. Sinai School of Medicine E. Steve Lichtenberg, MD, MPH – Northwestern University School of Medicine Lynn Borgatta, MD, MPH – Boston University School of Medicine David A. Grimes, MD, MPH – University of North Carolina School of Medicine Phillip G. Stubblefield, MD – Boston University School of Medicine Mitchell D. Creinin MD – University of Pittsburgh School of Medicine