共 12 条
[8]
SNEATH P, 1973, Age and Ageing, V2, P177, DOI 10.1093/ageing/2.3.177
[9]
SRINIVASAN DP, 1984, BRIT J HOSP MED, V32, P77
[10]
STRACHAN RW, 1967, Q J MED, V36, P189