1 Clements CJ, Ball LK, Ball R, Pratt D. Thiomersal in vaccines. Lancet 2000; 355: 1279–80. 2 American Academy of Pediatrics, Committee on Infectious Diseases, and Committee on Environmental Health. Thimerosal in vaccines—An interim report to clinicians. Pediatrics 1999; 104: 570–74. 3 Ball LK, Ball R, Pratt, RD. An assessment of thimerosal use in childhood vaccines. Pediatrics 2001; 107: 1147–54. 4 Cox NH, Forsyth A. Thimerosal allergy and vaccination reactions. Contact Dermatitis 1988; 18: 229–33. 5 Axton JH. Six cases of poisoning after a parenteral organic mercurial compound (merthiolate). Postgrad Med J 1972; 561: 417–21. 6 Fagan DG, Pritchard JS, Clarkson TW, Greenwood MR. Organ mercury levels in infants with omphaloceles treated with organic mercurial antiseptic. Arch Dis Child 1977; 52: 962–64. 7 Matheson DS, Clarkson TW, Gelfand EW. Mercury toxicity (acrodynia) induced by long-term injection of gammaglobulin. J Pediatr 1980; 97: 153–55. 8 Lowell JA, Burgess S, Shenoy S, Curci JA, Peters M, Howard TK. Mercury poisoning associated with high-dose hepatitis-B immune globulin administration after liver transplantation for chronic hepatitis B. Liver Transpl Surg 1996; 2: 475–78. 9 Pfab R, Muckter H, Roider G, Zilker T. Clinical course of severe poisoning with thimerosal. J Toxicol Clin Toxicol 1996; 34: 453–60. 10 Clarkson TW. Mercury: major issues in environmental health. Environ Health Perspect 1992; 100: 31–38. 11 Clarkson TW. The toxicology of mercury. Crit Rev Clin Lab Sci 1977; 34: 369–403. 12 Yess NJ. US food and Drug Administration survey of methylmercury in canned tuna. J AOAC Int 1993; 76: 36–38. 13 Shenker BJ, Guo TL, Shapiro IM. Low-level methylmercury exposure causes human T-cells to undergo apoptosis: evidence of mitochondrial dysfunction. Environ Res 1998; 77: 149–59. 14 Grandjean P, Weihe P, White RF, et al. Cognitive deficit in 7-year-old children with prenatal exposure to methylmercury. Neurotoxicol Teratol 1997; 6: 417–28. 15 Davidson PW, Myers GJ, Cox C, et al. Effects of prenatal and postnatal methylmercury exposure from fish consumption on neurodevelopment: outcomes at 66 months of age in the Seychelles child development study. JAMA 1998; 280: 701–07. 16 Cernichiari E, Toribara TY, Liang L, et al. The biological monitoring of mercury in the Seychelles study. Neurotoxicology 1995; 16: 613–28. 17 Cernichiari E, Brewer R, Myers GJ, et al. Monitoring methylmercury during pregnancy: maternal hair predicts fetal brain exposure. Neurotoxicology 1995; 16: 705–10. 18 Nielsen JB, Andersen O, Grandjean P. Evaluation of mercury in hair, blood and muscle as biomarkers for methylmercury exposure in male and female mice. Arch Toxicol 1994; 68: 317–21. 19 National Academy of Sciences. Toxicologic effects of methylmercury. Washington DC: National Research Council, 2000. 20 Stajich GV, Lopez GP, Harry SW, Sexson WR. Iatrogenic exposure to mercury after hepatitis B vaccination in preterm infants. J Pediatr 2000; 136: 679–81. ARTICLES