TY - GEN AU - Witton,John AU - Murray,Robin M TI - [Reefer madness revisited: cannabis and psychosis] SN - 1516-4446 PY - 2004///0503 KW - Humans KW - Marijuana Abuse KW - psychology KW - Psychoses, Substance-Induced KW - etiology KW - Risk Factors KW - Schizophrenia N1 - Publication Type: Editorial UR - https://doi.org/10.1590/s1516-44462004000100002 ER -