Double blind, cluster randomised trial of low dose supplementation with vitamin A or beta carotene on mortality related to pregnancy in Nepal.

Autor: West KP Jr., Katz J, Kahtry SK, LeClerq SC, Pradhan EK, Shrestha SR, Connor PB, Dali SM, Christian P, Pokhrel RP, Sommer A, Nepal Nutrition Intervention Project-2 Study Group

Publikováno v: BMJ: British Medical Journal (International Edition); 02/27/99, Vol. 318 Issue 7183, p570-575, 6p