title: Marathon group therapy with users of illicit drugs: dimensions of social learning.
mesh_terms: D000328:Adult; D005246:Feedback; D006040:Goals; D006126:Group Processes; D006801:Humans; D013287:Illicit Drugs; D007398:Interpersonal Relations; D007858:Learning; D008297:Male; D011615:Psychotherapy, Group / Q000379:methods*; D019966:Substance-Related Disorders / Q000628:therapy*
chemical_list: D013287:Illicit Drugs