Authors: West, KP Katz, J Khatry, SK LeClerq, SC Pradhan, EK Shrestha, SR Conner, PB Dali, SR Christian, P Pokhrel, RP Sommer, A

Citation: Kp. West et al., Double blind, cluster randomised trial of low dose supplementation with vitamin A or beta carotene on mortality related to pregnancy in Nepal, BR MED J, 318(7183), 1999, pp. 570-575