1. Kerber KJ, de Graft-Johnson JE, Bhutta ZA, Okong P, Starrs A, Lawn JE: Continuum of care for maternal, newborn, and child health: from slogan to service delivery. Lancet. 2007, 370 (59595): 1358-1369.
2. Darmstadt GL, Bhutta ZA, Cousens S, Adam T, Walker N, de-Bernis L: Evidence-based, cost effective interventions: how many newborn babies can we save?. Lancet. 2005, 365 (9463): 977-988.
3. Bhutta ZA, Das JK, Bahl R, Lawn JE, Salam RA, Paul VK, Sankar JM, Blencowe H, Rizvi A, Chou VB: Can available interventions end preventable deaths in mothers, newborn babies, and stillbirths, and at what cost?. Lancet. 2014, pii: S0140-6736(14)60792-3. doi: 10.1016/S0140-6736(14)60792-3. [Epub ahead of print]
4. Meeting to Develop a Global Consensus on Preconception Care to Reduce Maternal and Childhood Mortality and Morbidity http://apps.who.int/iris/bitstream/10665/78067/1/9789241505000_eng.pdf. 2012
5. Bhutta Z, Dean S, Imam A, Lassi Z: A Systematic Review of Preconception Risks and Interventions. 2011, Karachi. The Aga Khan University