共 6 条
[1]
BIAS DUE TO NON-PARTICIPATION AND HETEROGENOUS SUBGROUPS IN POPULATION SURVEYS
[J].
JOURNAL OF CHRONIC DISEASES,
1983, 36 (10)
:725-728
[2]
Carlsson G., 1958, SOCIAL MOBILITY CLAS
[3]
ISACSSON SO, 1972, ACTA MED SCAND S, V537
[4]
70-YEAR-OLD PEOPLE IN GOTHENBURG A POPULATION STUDY IN AN INDUSTRIALIZED SWEDISH CITY .1. GENERAL PRESENTATION OF STUDY
[J].
ACTA MEDICA SCANDINAVICA,
1975, 198 (05)
:397-407
[5]
TIBBLIN G, 1965, ACTA MED SCAND, V178, P453
[6]
WILHELMSEN L, 1976, J CHRON DIS, V29, P331, DOI 10.1016/0021-9681(76)90093-X