TY  - GEN
AU  - Singer,M
AU  - Himmelgreen,D
AU  - Dushay,R
AU  - Weeks,M R
TI  - Variation in drug injection frequency among out-of-treatment drug users in a national sample
SN  - 0095-2990
PY  - 1998///0825
KW  - Humans
KW  - Injections, Intravenous
KW  - statistics & numerical data
KW  - Substance Abuse, Intravenous
KW  - epidemiology
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.3109/00952999809001715
ER  -