共 25 条
[1]
AARON JE, 1974, LANCET, V1, P229
[2]
ARMITAGE P, 1971, STATISTICAL METHODS, pCH9
[4]
BRERETON P, 1973, NUTRITION, V27, P200
[5]
BROWN I R F, 1976, Age and Ageing, V5, P127, DOI 10.1093/ageing/5.3.127
[6]
DOLL R, 1977, LANCET, V1, P745
[8]
REGIONAL SURVEY OF FEMORAL-NECK FRACTURES
[J].
BRITISH MEDICAL JOURNAL,
1976, 2 (6050)
:1496-1497
[9]
GUPTA MM, 1974, LANCET, V1, P586
[10]
HODKINSON HM, 1973, LANCET, V1, P910