Effect of Calcium Supplementation on Blood Lead Levels in Pregnancy: A Randomized Placebo-Controlled Trial
Adrienne S. Ettinger, Héctor Lamadrid-Figueroa, Martha M. Téllez-Rojo, Adriana Mercado-García, Karen E. Peterson, Joel Schwartz, Howard Hu, and Mauricio Hernández-Avila
Environ Health Perspect. 2009 January; 117(1): 26–31. Published online 2008 September 2. doi: 10.1289/ehp.11868.PMCID: PMC2627861