STATISTICAL STUDY OF TWINS - METHODS

[1] GITTELSOHN AM, 1962, BRIT J PREV SOC MED, V16, P153

[2] INCREASED INCIDENCE OF ANENCEPHALUS AND SPINA BIFIDA IN SIBLINGS OF AFFECTED CASES [J]. SCIENCE, 1962, 138 (3540) : 593 - &

[3] SKELLAM JG, 1948, J ROY STAT SOC B, V10, P257

[4] WEINBERG W, 1902, PFLUGERS ARCH GES PH, V88, P346

[1] GITTELSOHN AM, 1962, BRIT J PREV SOC MED, V16, P153

[2] INCREASED INCIDENCE OF ANENCEPHALUS AND SPINA BIFIDA IN SIBLINGS OF AFFECTED CASES [J]. SCIENCE, 1962, 138 (3540) : 593 - &

[3] SKELLAM JG, 1948, J ROY STAT SOC B, V10, P257

[4] WEINBERG W, 1902, PFLUGERS ARCH GES PH, V88, P346