共 6 条
[1]
BROCKLEHURST JC, 1970, MOD GERIATR, V1, P57
[2]
VARIATION OF BOWEL HABIT IN 2 POPULATION SAMPLES
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1965, 2 (5470)
:1095-+
[3]
HARDY TL, 1945, LANCET, V248, P519
[4]
MILNE JS, 1971, BRIT J PREV SOC MED, V25, P37
[5]
VARIABILITY IN REPLIES TO A QUESTIONNAIRE ON SYMPTOMS OF PHYSICAL ILLNESS
[J].
JOURNAL OF CHRONIC DISEASES,
1970, 22 (12)
:805-+
[6]
PARKS JM, 1943, THESIS CAMBRIDGE