共 29 条
[3]
CAMPBELL A J, 1981, Age and Ageing, V10, P264, DOI 10.1093/ageing/10.4.264
[4]
CAMPBELL AJ, 1989, J GERONTOL, V44, P112
[5]
DIXON WJ, 1985, BMDP STATISTICAL SOF
[6]
DOESSING KV, 1989, UGESKRIFT LAEGER, V151, P2433
[7]
Downton J H, 1991, Aging (Milano), V3, P219
[9]
GRYFE C I, 1977, Age and Ageing, V6, P201, DOI 10.1093/ageing/6.4.201