The association between cannabis use and paranoia: Meta-analysis of experimental and observational studies.
Belvederi Murri M, Catania S, Centra S, Folesani F, Muscettola A, Zerbinati L, Toffanin T, Ferrara M, Ossola P, Rossi R, Jannini T, Caruso R, Nanni MG, Grassi L.