共 14 条
[1]
[Anonymous], 1985, THEORETICAL EPIDEMIO
[3]
FRIEND JW, 1937, WHAT SCI REALLY MEAN, P110
[5]
HEINONEN OP, 1977, BIRTH DEFECTS DRUGS, pCH2
[6]
THE EXPERIMENTAL PARADIGM AND OBSERVATIONAL STUDIES OF CAUSE EFFECT RELATIONSHIPS IN CLINICAL MEDICINE
[J].
JOURNAL OF CHRONIC DISEASES,
1987, 40 (01)
:91-99
[7]
LILIENFELD AM, 1976, F EPIDEMIOLOGY
[8]
MIETTINEN OS, 1985, J CHRON DIS, V38, P543, DOI 10.1016/0021-9681(85)90039-6