共 27 条
[1]
ABRAMSON J H, 1990, Public Health Reviews, V18, P1
[2]
[Anonymous], 1989, NEW ENGL J MED, V321, P129
[6]
EBCTC Group, 1992, LANCET, V339, P1
[7]
ELLENBERG SS, 1988, SEMIN ONCOL, V15, P472
[8]
Feinstein A.R., 1985, CLIN EPIDEMIOLOGY

