2ND SURVEY OF SECULAR TRENDS IN TWINNING RATES

[1] ALBERMAN E, 1977, EPIDEMIOLOGY PREMATU

[2] BRACKEN MB, 1979, AM J OBSTET GYNECOL, V133, P432

[3] TWINNING RATES AND THE PILL - REPLY [J]. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 1979, 135 (05) : 700 - 700

[4] Bradford G E, 1972, J Reprod Fertil Suppl, V15, P23

[5] Bulmer M. G., 1970, BIOL TWINNING MAN

[6] DEMOGRAPHIC CHARACTERISTICS OF MULTIPLE BIRTHS IN HUNGARY [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1971, 20 (03): : 301 - &

[7] DAVID G, 1979, FERTIL STERIL, V31, P453

[8] DOUGHERTY RC, 1980, CHEM ENV AGENTS HUMA

[9] ERIKSSON AW, 1973, AM J HUM GENET, V25, P141

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

[1] ALBERMAN E, 1977, EPIDEMIOLOGY PREMATU

[2] BRACKEN MB, 1979, AM J OBSTET GYNECOL, V133, P432

[3] TWINNING RATES AND THE PILL - REPLY [J]. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 1979, 135 (05) : 700 - 700

[4] Bradford G E, 1972, J Reprod Fertil Suppl, V15, P23

[5] Bulmer M. G., 1970, BIOL TWINNING MAN

[6] DEMOGRAPHIC CHARACTERISTICS OF MULTIPLE BIRTHS IN HUNGARY [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1971, 20 (03): : 301 - &

[7] DAVID G, 1979, FERTIL STERIL, V31, P453

[8] DOUGHERTY RC, 1980, CHEM ENV AGENTS HUMA

[9] ERIKSSON AW, 1973, AM J HUM GENET, V25, P141

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