3Jaerup L. Cadmium overload and toxicity[J]. Nephrol Dial Transplant,2002, 17(suppl 2): 35-39.
4Bhatacharyya MH, Whelton BD, Peterson DP. Gastrointestinal absorption of cadmium in mice during gestation and lactation[J]. Toxicol Appl Pharmacol, 1982, 66: 368-375.
5Kantola M, Purkunen R, Kr6ger P, et al. Accumulation of cadmium, zinc, and copper in maternal blood and developmental placental tissue: differences between Finland, Estonia, and St. Petersburg[J]. Environ Res, 2000, 83: 54-66.
6lyengar GV, Rapp A. Human placenta as a ‘dual' biomarker for monitoring fetal and maternal environment with special reference to potentially toxic trace dements. Part 1 : physiology, function and sampling of placenta for elemental characterization[J]. Sci Total Environ, 2001, 280:195 -206.
7Baranowska 1. Lead and cadmium in human placentas and maternal and neonatal blood (in a heavily polluted area) measured by graphite furnace atomic absorption spectrometry [J]. Occup Environ Med, 1995, 52:229- 232.
8Osman K, Akesson A, Berglund M, et al. Toxic and essential elements in placentas of Swedish women[J]. Clin Biochem, 2000, 33:131 - 138.
9Kovacs CS. Calcium and bone metabolism in pregnancy and lactation[J].J Clin Endocrinol Metab, 2001, 86:2344 - 2348.
10Cross NA, Hillman LS, Allen SH, et al. Calcium homeostasis and bone metabolism during pregnancy, lactation, and postweaning: a longitudinal study[J]. Am J Clin Nutr, 1995, 61:514-523.