TY - GEN AU - Kral,Alex H AU - Malekinejad,Mohsen AU - Vaudrey,Jason AU - Martinez,Alexis N AU - Lorvick,Jennifer AU - McFarland,Willi AU - Raymond,H Fisher TI - Comparing respondent-driven sampling and targeted sampling methods of recruiting injection drug users in San Francisco SN - 1468-2869 PY - 2011///0204 KW - Adolescent KW - Adult KW - Black or African American KW - psychology KW - Confidence Intervals KW - Epidemiologic Research Design KW - Female KW - HIV Infections KW - complications KW - Health Surveys KW - methods KW - Hepatitis C KW - Humans KW - Interviews as Topic KW - Male KW - Middle Aged KW - Needle-Exchange Programs KW - statistics & numerical data KW - Patient Selection KW - Research Design KW - Risk-Taking KW - Sampling Studies KW - San Francisco KW - epidemiology KW - Substance Abuse Treatment Centers KW - Substance Abuse, Intravenous KW - Urban Population KW - Young Adult N1 - Publication Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1007/s11524-010-9486-9 ER -