Authors: Thomas Cherian; E Kim Mulholland; John B Carlin; Harald Ostensen; Ruhul Amin; Margaret de Campo; David Greenberg; Rosanna Lagos; Marilla Lucero; Shabir A Madhi; Katherine L O'Brien; Steven Obaro; Mark C Steinhoff Journal: Bull World Health Organ Date: 2005-06-24 Impact factor: 9.408