Ongolo-Zogo Pierre, Bonono Renée-Cécile
Department of Medical Imaging, University Yaoundé 1, Faculty of Medicine and Biomedical Sciences, Melen Campus, Yaoundé, Cameroon.
Int J Technol Assess Health Care. 2010 Apr;26(2):237-41. doi: 10.1017/S0266462310000188.