BIRTH INTERVALS - STRUCTURE AND CHANGE

[1] BAXI PC, 1957, J OBSTET GYNAECOL, V8, P26

[2] GUTTMACHER AF, 1952, FERTIL STERIL, V3, P281

[3] HYRENIUS H, 1958, POPULATION STUDIES, V12, P128

[4] PERRIN EB, 1963, HUMAN REPRODUCTION S

[5] POTTER RG, IN PRESS EUGENICS Q

[6] SMITH TE, 1960, POP STUD-J DEMOG, V14, P113

[7] TIETZE C, EFFECT BREASTFEEDING, P2

[8] VINCENT P, 1961, I NATIONAL ETUDES DE, V37, P262

[1] BAXI PC, 1957, J OBSTET GYNAECOL, V8, P26

[2] GUTTMACHER AF, 1952, FERTIL STERIL, V3, P281

[3] HYRENIUS H, 1958, POPULATION STUDIES, V12, P128

[4] PERRIN EB, 1963, HUMAN REPRODUCTION S

[5] POTTER RG, IN PRESS EUGENICS Q

[6] SMITH TE, 1960, POP STUD-J DEMOG, V14, P113

[7] TIETZE C, EFFECT BREASTFEEDING, P2

[8] VINCENT P, 1961, I NATIONAL ETUDES DE, V37, P262