Figure 1From: A cluster-randomized, placebo-controlled, maternal vitamin a or beta-carotene supplementation trial in bangladesh: design and methods The JiVitA Research Project setting, a population dense (~1000 persons per sq km), contiguous rural area of ~ 450 sq km at 30 m above mean sea level, west of the confluence of the Teesta and Jamuna rivers of Northwest Bangladesh.Back to article page