Cella, Matteo Psychosocial intervention for negative symptoms: a note on meta-analyses. [electronic resource] - The British journal of psychiatry : the journal of mental science 08 2017 - 116 p. digital Publication Type: Letter; Comment ISSN: 1472-1465 Standard No.: 10.1192/bjp.211.2.116 doi Subjects--Topical Terms: HumansPsychotic Disorders