Gielen A C, Faden R R, Kass N E, O'Campo P, Chaisson R, Watkinson L
Department of Health Policy and Management, Johns Hopkins University School of Hygiene and Public Health, Baltimore, Maryland, USA.
Womens Health Issues. 1997 Jul-Aug;7(4):269-78. doi: 10.1016/S1049-3867(97)00029-7.