TY - RPRT TI - Differences between methamphetamine users and cocaine users in treatment. AU - A L Copeland AU - J L Sorensen PY - 2001 DO - 10.1016/s0376-8716(00)00164-2 UR - https://pubmed.ncbi.nlm.nih.gov/11173172/ ID - 11173172 ER -