Bhutta Zulfiqar A, Black Robert E
From the Centre for Global Child Health, Hospital for Sick Children (SickKids), Toronto (Z.A.B.); the Center of Excellence in Women and Child Health, Aga Khan University, Karachi, Pakistan (Z.A.B.); and the Institute for International Programs, Bloomberg School of Public Health, Johns Hopkins University, Baltimore (R.E.B.).
N Engl J Med. 2013 Dec 5;369(23):2226-35. doi: 10.1056/NEJMra1111853.