共 20 条
[2]
BEALE N, 1991, BRIT J GEN PRACT, V41, P16
[3]
BUCQUET D, 1985, BRIT MED J, V290, P14803
[4]
CARTWRIGHT A, 1981, GENERAL PRACTICE REV
[5]
*CENTR STAT OFF, 1995, 25 YEARS SOC TRENDS
[6]
Fry J, 1972, J R Coll Gen Pract, V22, P521
[9]
Hennekens CH, 1987, EPIDEMIOLOGY MED
[10]
Humphreys R C, 1981, Br Med J (Clin Res Ed), V282, P115