TY - GEN AU - Smith,B D AU - Nacev,V TI - Drug usage as determined under conditions of anonymity and high questionnaire return rate SN - 0020-773X PY - 1979///0223 KW - Amphetamines KW - Antidepressive Agents KW - Cannabis KW - Confidentiality KW - Educational Status KW - Epidemiologic Methods KW - Female KW - Hallucinogens KW - Heroin Dependence KW - epidemiology KW - Humans KW - Male KW - Sex Factors KW - Social Environment KW - Substance-Related Disorders KW - Surveys and Questionnaires KW - Tranquilizing Agents N1 - Publication Type: Journal Article UR - https://doi.org/10.3109/10826087809039298 ER -