CONTRACEPTION-EFFICIENCY - METHODS AND RESULTS

[1] GINI C, 1924, P INT MATH C TOR, P889

[2] GINI C, 1942, REV I INT STATISTIQU, P1

[3] Henry, 1953, REV I INT STATISTIQU, V21, P135, DOI [10.2307/1401425, DOI 10.2307/1401425]

[4] INTERVALS BETWEEN CONFINEMENTS IN THE ABSENCE OF BIRTH-CONTROL [J]. EUGENICS QUARTERLY, 1958, 5 (04): : 200 - 211

[5] NATURAL FERTILITY - OBSERVATION, THEORY, RESULTS [J]. POPULATION, 1961, 16 (04): : 625 - 636

[6] SOME DATA ON NATURAL FERTILITY [J]. EUGENICS QUARTERLY, 1961, 8 (02): : 81 - &

[7] HENRY L, 1961, POPULATION OCT

[8] HENRY L, 1954, B INT STATISTIQUE, V34, P11

[9] HENRY L, 1961, POPULATION, P27

[10] KISER CV, 1962, RES FAMILY PLANNING, P662

[1] GINI C, 1924, P INT MATH C TOR, P889

[2] GINI C, 1942, REV I INT STATISTIQU, P1

[3] Henry, 1953, REV I INT STATISTIQU, V21, P135, DOI [10.2307/1401425, DOI 10.2307/1401425]

[4] INTERVALS BETWEEN CONFINEMENTS IN THE ABSENCE OF BIRTH-CONTROL [J]. EUGENICS QUARTERLY, 1958, 5 (04): : 200 - 211

[5] NATURAL FERTILITY - OBSERVATION, THEORY, RESULTS [J]. POPULATION, 1961, 16 (04): : 625 - 636

[6] SOME DATA ON NATURAL FERTILITY [J]. EUGENICS QUARTERLY, 1961, 8 (02): : 81 - &

[7] HENRY L, 1961, POPULATION OCT

[8] HENRY L, 1954, B INT STATISTIQUE, V34, P11

[9] HENRY L, 1961, POPULATION, P27

[10] KISER CV, 1962, RES FAMILY PLANNING, P662