TY - RPRT TI - "Lifepoint": a case study in using social science community identification data to guide the implementation of a needle exchange program. AU - A M Somlai AU - J A Kelly AU - L Otto-Salaj AU - D Nelson PY - 1999 UR - https://pubmed.ncbi.nlm.nih.gov/10407453/ ID - 10407453 ER -