Prospective pregnancy study designs for assessing reproductive and developmental toxicants.
Germaine M Buck, Courtney D Lynch, Joseph B Stanford, Anne M Sweeney, Laura A Schieve, John C Rockett, Sherry G Selevan, and Steven M Schrader
Environ Health Perspect. 2004 January; 112(1): 79–86. PMCID: PMC1241801