共 20 条
[1]
[Anonymous], 1981, HLTH EFFECTS NITRATE
[4]
FIELDING JE, 1982, AM J PUBL HLTH, V72, P331
[5]
GILLINGS DB, 1980, P SOC STAT, P336
[7]
GREENBER.BG, 1969, J AM STAT ASSOC, V64, P739
[10]
CASE CONTROL STUDY - PROBLEM AND THE PROSPECT
[J].
JOURNAL OF CHRONIC DISEASES,
1979, 32 (1-2)
:139-144