RT Article T1 Estimating numbers of IDUs in metropolitan areas for structural analyses of community vulnerability and for assessing relative degrees of service provision for IDUs JF Journal of urban health VO 81 SP 377 OP 400 A1 Friedman, Samuel R. 1942- A2 Flom, Peter L. A2 Friedman, Risa A2 Keem, Marie A2 Perlis, Theresa A2 Cooper, Hannah A2 Tempalski, Barbara LA English YR 2004 UL https://krimdok.uni-tuebingen.de/Record/1912540967 DO 10.1093/jurban/jth125