by Masanja, Honorati, PhD, de Savigny, Don, Prof, Smithson, Paul, MPH, Schellenberg, Joanna, PhD, John, Theopista, MSc, Mbuya, Conrad, MPH, Upunda, Gabriel, MPH, Boerma, Ties, PhD, Victora, Cesar, Prof, Smith, Tom, Prof, Mshinda, Hassan, PhD
Published in The Lancet (British edition) (12.04.2008)