Bello Segun, Fatiregun Akinolu, Oyo-Ita Angela, Ikpeme Bassey
Department of Community Medicine, University of Calabar Teaching, Calabar, Nigeria;; Institute of Tropical Diseases Research and Prevention, University of Calabar Teaching Hospital, Calabar, Nigeria.
Department of Epidemiology, Biostatistics and Environmental Health, Faculty of Public Health, University of Ibadan, Ibadan, Nigeria.
J Public Health Afr. 2010 Aug 24;1(1):e5. doi: 10.4081/jphia.2010.e5. eCollection 2010 Sep 1.