Dose Addition Models Based on Biologically Relevant Reductions in Fetal Testosterone Accurately Predict Postnatal Reproductive Tract Alterations by a Phthalate Mixture in Rats. - Howdeshell KL; Rider CV; Wilson VS; Furr JR; Lambright CR; Gray LE Jr (Toxicological sciences : an official journal of the Society of Toxicology, 2015)