TY - GEN ED - The Royal Society TI - The use of cannabis and its derivates for medical and recreational purposes [PDF] PY - 1998/// CY - [S.l.] PB - The Royal Society KW - beleid KW - cannabis KW - drugs KW - medicinaal gebruik KW - onderzoeksrapporten KW - psychische stoornissen KW - somatische stoornissen KW - Verenigd Koninkrijk UR - http://www.google.be/search?q=The-use-of-cannabis-and-its-derivates-for-medical-and-recreational-purposes ER -