SECULAR CHANGES IN THE TWINNING RATE IN DENMARK 1931 TO 1977

[1] ALLEN G, 1978, TWIN RES B, P89

[2] ELWOOD JM, 1973, BRIT J PREV SOC MED, V27, P236

[3] ERIKSSON AW, 1964, LANCET, V2, P1298

[4] SPERM COUNT DEPRESSION IN PESTICIDE APPLICATORS EXPOSED TO DIBROMOCHLOROPROPANE [J]. AMERICAN JOURNAL OF EPIDEMIOLOGY, 1979, 109 (03) : 346 - 351

[5] SECULAR DECLINE IN DIZYGOTIC TWINNING RATES IN ITALY [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1975, 24 (1-2): : 9 - 14

[6] JAMES WH, 1975, TWIN RES ACTA GENET, V24, P81

[7] JEANNERET O, 1962, AM J HUM GENET, V14, P410

[8] TWINNING FREQUENCIES IN BADEN-WURTTEMBERG ACCORDING TO MATERNAL AGE AND PARITY FROM 1955 TO 1972 [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1976, 25 : 36 - 40

[9] Stern Curt, 1973, PRINCIPLES HUMAN GEN

[1] ALLEN G, 1978, TWIN RES B, P89

[2] ELWOOD JM, 1973, BRIT J PREV SOC MED, V27, P236

[3] ERIKSSON AW, 1964, LANCET, V2, P1298

[4] SPERM COUNT DEPRESSION IN PESTICIDE APPLICATORS EXPOSED TO DIBROMOCHLOROPROPANE [J]. AMERICAN JOURNAL OF EPIDEMIOLOGY, 1979, 109 (03) : 346 - 351

[5] SECULAR DECLINE IN DIZYGOTIC TWINNING RATES IN ITALY [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1975, 24 (1-2): : 9 - 14

[6] JAMES WH, 1975, TWIN RES ACTA GENET, V24, P81

[7] JEANNERET O, 1962, AM J HUM GENET, V14, P410

[8] TWINNING FREQUENCIES IN BADEN-WURTTEMBERG ACCORDING TO MATERNAL AGE AND PARITY FROM 1955 TO 1972 [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1976, 25 : 36 - 40

[9] Stern Curt, 1973, PRINCIPLES HUMAN GEN