共 56 条
- [1] DO CONCEPTION DELAYS EXPLAIN SOME CHANGES IN TWINNING RATES [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1970, 19 (1-2): : 30 - +
- [2] ALLEN G, 1971, SOC BIOL, V18, P18
- [4] ARMITAGE P, 1971, STATISTICAL METHODS
- [6] Bulmer M. G., 1970, BIOL TWINNING MAN
- [7] BUTLER NR, 1969, 2ND REP
- [8] Czeizel A, 1974, Acta Genet Med Gemellol (Roma), V22 suppl, P214
- [9] DEMOGRAPHIC CHARACTERISTICS OF MULTIPLE BIRTHS IN HUNGARY [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1971, 20 (03): : 301 - &
- [10] DEAN G, 1972, BRIT J PREV SOC MED, V26, P186