Los puntos clave no están disponibles para este artículo en este momento.
Dr. Beckmann is head of educational research in the department of obstetrics and gynecology at the University of Tennessee Health Science Center, Memphis, Tennessee. *In consultation with HERCOG members Barbara M. Barzansky, Ph.D., Robert Cummings, M.D., Robert Eden, M.D., William Gold, M.D., William N. P. Herbert, M.D., David Irby, Ph.D., Douglas Laube, M.D.M.Ed., Frank W. Ling, M.D., Sharon Phelan, M.D., Roger Smith, M.D., Reed Williams, Ph.D., Honor Wolfe, M.D.
Charles R.B. Beckmann (Sun,) studied this question.