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[11] INHERITANCE OF DZ TWINNING - A STUDY OF 18737 MATERNITIES IN IBADAN, WESTERN NIGERIA [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1970, 19 (1-2): : 36 - &

[12] MULTIPLE BIRTHS IN AUSTRALIA, 1944-63 [J]. JOURNAL OF BIOSOCIAL SCIENCE, 1969, 1 (04) : 389 - +

[13] RENKONEN KO, 1966, ANN MED EXP BIOL FEN, V44, P322

[14] NUMBER OF PREGNANCIES PRIOR TO BIRTH OF TWINS [J]. ANNALS OF HUMAN GENETICS, 1971, 34 (MAY) : 427 - &

[15] STOCKS P, 1952, Acta Genet Med Gemellol (Roma), V1, P8

[16] FAMILY GROWTH IN ABERDEEN [J]. JOURNAL OF BIOSOCIAL SCIENCE, 1969, 1 (01) : 23 - +

[17] THOMPSON B, 1956, Br J Prev Soc Med, V10, P75

[18] WYSHAK G, 1969, HUM BIOL, V41, P66

[19] 1970, REGISTRAR GENERALS 3, P39

[20] 1944, REGISTRAR GENERALS 2, P135

[11] INHERITANCE OF DZ TWINNING - A STUDY OF 18737 MATERNITIES IN IBADAN, WESTERN NIGERIA [J]. ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE, 1970, 19 (1-2): : 36 - &

[12] MULTIPLE BIRTHS IN AUSTRALIA, 1944-63 [J]. JOURNAL OF BIOSOCIAL SCIENCE, 1969, 1 (04) : 389 - +

[13] RENKONEN KO, 1966, ANN MED EXP BIOL FEN, V44, P322

[14] NUMBER OF PREGNANCIES PRIOR TO BIRTH OF TWINS [J]. ANNALS OF HUMAN GENETICS, 1971, 34 (MAY) : 427 - &

[15] STOCKS P, 1952, Acta Genet Med Gemellol (Roma), V1, P8

[16] FAMILY GROWTH IN ABERDEEN [J]. JOURNAL OF BIOSOCIAL SCIENCE, 1969, 1 (01) : 23 - +

[17] THOMPSON B, 1956, Br J Prev Soc Med, V10, P75

[18] WYSHAK G, 1969, HUM BIOL, V41, P66

[19] 1970, REGISTRAR GENERALS 3, P39

[20] 1944, REGISTRAR GENERALS 2, P135