Effect of zinc supplementation between 1 and 6 months of life on growth and morbidity of Bangladeshi infants in urban slums.  Osendarp et al., 2002 [269]  Bangladesh  300 infants from Dhaka slum area, from 4 weeks to 24 weeks of age  5 mg/day for 20 weeks  Reduced incidence of ALRI and greater weight gains.