共 8 条
[3]
Miller M D, 1990, Fam Med, V22, P29
[4]
Qureshi K N, 1974, Age Ageing, V3, P152, DOI 10.1093/ageing/3.3.152
[6]
Romano J., 1941, JAMA CHICAGO ILL, V117, P664
[7]
SAINSBURY R, 1992, MED EDUC, V26, P286
[8]
1991, MED STUDENTS HOSPITA