共 216 条
[2]
ACHESON RM, 1983, LANCET, V1, P1191
[3]
Alpha-Tocopherol Beta Carotene Cancer Prevention Study Group, 1994, N Engl J Med, V330, P1029, DOI 10.1056/NEJM199404143301501
[4]
[Anonymous], 2002, JAMA