共 20 条
[2]
[Anonymous], 1993, The public health impact of needle exchange programs in the United States and abroad
[3]
Armitage P., 1971, STAT METHODS MED RES
[4]
COCAINE USE AND HIV INFECTION IN INTRAVENOUS DRUG-USERS IN SAN-FRANCISCO
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1989, 261 (04)
:561-565
[5]
GRUND JPC, 1991, J PSYCHOACTIVE DRUGS, V23, P1
[9]
JUNGE B, 1996, SOC APPL ANTHR ANN M