Knutsen A P, Roodman S T, Evans R G, Mueller K R, Webb K B, Stehr-Green P, Hoffman R E, Schramm W F
Department of Pediatrics, St. Louis University Medical Center, Missouri 63104.
Bull Environ Contam Toxicol. 1987 Sep;39(3):481-9. doi: 10.1007/BF01688314.