Meta-analysis amplifies the conclusions of a systematic review. Comment on the systematic review of Vancampfort et al. 'Progressive muscle relaxation in persons with schizophrenia: a systematic review of randomized controlled trials'.
D001007:Anxiety / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D009126:Muscle Relaxation / Q000502:physiology*; D012559:Schizophrenia / Q000534:rehabilitation*; D012565:Schizophrenic Psychology; D013315:Stress, Psychological / Q000628:therapy*