References
- James , W. H. 1987 . The human sex ratio. I. A review of the literature. . Human Biol , 59 : 721 – 52 .
- Lloyd , O. L. , Smith , G. Lloyd , M. M. 1985 . Raised mortality from lung cancer and high sex ratios of births associated with industrial pollution. . Br J Ind Med , 42 : 475 – 80 .
- Williams , F. L. R. , Lawson , A. B. and Lloyd , O. L. 1992 . Low sex ratios at births in areas at risk from air pollution from incinerators, as shown by geographical analysis and 3‐dimensional mapping. . Int J Epidemiol , 21 : 311 – 19 .
- Mocarelli , P. , Brambilla , P. Gerthoux , P. M. 1996 . Change in sex ratio with exposure to dioxin. . Lancet , 348 : 409
- Mocarelli , P. , Gerthoux , P. M. Ferrari , E. 2000 . Paternal concentrations of dioxin and sex ratio of offspring. . Lancet , 355 : 1858 – 63 .
- Davis , D. L. , Gottlieb , M. B. and Stampnitzky , J. R. 1998 . Reduced ratio of male‐to‐female births in several industrial countries. . JAMA , 279 : 1018 – 23 .
- Allan , B. B. , Brant , R. Seidel , J. E. 1997 . Declining sex ratios in Canada. . Can Med Assoc J , 156 : 37 – 41 .
- van der Pal de Bruin , K. M. , Verloove‐Vanhorick , S. P. and Roeleveld , N. 1997 . Change in male‐female ratio among newborn babies in Netherlands. . Lancet , 349 : 62
- Moller , H. 1996 . Change in male‐female ratio among newborn infants in Denmark. . Lancet , 348 : 828 – 29 .
- Bromen , K. and Jockel , K. H. 1997 . Change in male proportion among newborn infants. . Lancet , 349 : 804 – 05 .
- Parazzini , F. , La Vecchia , C. Levi , F. 1998 . Trends in male:female ratio among newborn infants in 29 countries from five continents. . Human Repro , 13 : 1394 – 96 .
- James , W. H. and Rostron , J. 1985 . Parental age, parity and sex ratio in births in England and Wales. 1968–1977. . J Biosoc Sci , 17 : 47 – 56 .
- Erickson , J. D. 1976 . The secondary sex ratio in the United States 1969–71: association with race, parental ages, birth order, paternal education and legitimacy. . Ann Human Genet , 40 : 205 – 12 .
- Ruder , A. 1985 . Paternal‐age and birth‐order effect on the human secondary sex ratio. . Am J Hum Genet , 37 : 362 – 72 .
- Lyster , W. R. 1974 . Altered sex ratio after the London smog of 1952 and the Brisbane flood of 1965. . J Obstet Gyn Br Commonw , 81 : 626 – 31 .
- Lyster , W. R. 1981 . Pollution and sex ratio of births. . Med J Aust , 2 : 151 – 52 .
- Williams , F. L. , Ogston , S. A. and Lloyd , O. L. 1995 . Sex ratios of births, mortality, and air pollution: can measuring the sex ratios of births help to identify health hazards from air pollution in industrial environments? . Occup Environ Med , 52 : 164 – 69 .
- Larsen , A. I. , Olsen , J. and Svane , O. 1991 . Gender‐specific reproductive outcome and exposure to high‐frequency electromagnetic radiation among physiotherapists. . Scand J Work Environ Health , 17 : 324 – 29 .
- Guberan , E. , Campana , A. Faval , P. 1994 . Gender ratio of offspring and exposure to shortwave radiation among female physiotherapists. . Scand J Work Environ Health , 20 : 345 – 48 .
- Bonde , J. P. , Olsen , J. H. and Hansen , K. S. 1992 . Adverse pregnancy outcome and childhood malignancy with reference to paternal welding exposure. . Scand J Work Environ Health , 18 : 169 – 77 .
- Whorton , M. D. , Haas , J. L. Trent , L. 1994 . Reproductive effects of sodium borates on male employees: birth rate assessment. . Occup Environ Med , 51 : 761 – 67 .
- Whorton , M. D. , Wong , O. Morgan , R. W. 1989 . An epidemiologic investigation of birth outcomes in relation to dibromochloropropane contamination in drinking water in Fresno County, California, USA. . Int Arch Occup Environ Health , 61 : 403 – 07 .
- Garry , V. F. , Schreinemachers , D. Harkins , M. E. 1996 . Pesticides, appliers, biocides, and birth defects in rural Minnesota. . Environ Health Perspect , 104 : 394 – 99 .
- de Cock , J. , Heederik , D. and Tielemans , E. 1995 . Offspring sex ratio as an indicator of reproductive hazards associated with pesticides. . Occup Environ Med , 52 : 429 – 30 .
- James , W. H. 1999 . Further evidence relating offspring sex ratios to parental hormone levels around the time of conception. . J Theoret Biol , 197 : 261 – 63 .
- Giwerman , A. , Carlsen , E. Keiding , N. 1993 . Evidence for increasing incidence of abnormalities of the human testis: a review. . Environ Health Perspect , 101 ( suppl 2 ) : 65 – 71 .
- Buffler , P. A. and Aaso , J. M. 1982 . Genetic risks and environmental surveillance: epidemiological aspects of monitoring industrial populations for environmental mutagens. . J Occup Med , 24 : 305 – 14 .