7Heikki Korpela. Lead and Cadmium concentration in maternal and umbilical cord blood, amniotic fluid, placenta,and amniotic membranes. Am J obstet Gynecol, 1986,115(5):1086- 1089. 被引量:1
8Bentur Y , Koren G. The three most common oceupationai exposures reported by pregnant women; an updat Am J. Obstet Gynecol, 1991,165(2) :429 - 437. 被引量:1