title: Effects of peer support and therapist contact on long-term weight loss.
mesh_terms: D000328:Adult; D004038:Diet, Reducing / Q000523:psychology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009765:Obesity / Q000628:therapy*; D010379:Peer Group; D011379:Prognosis; D011613:Psychotherapy; D012931:Social Environment; D012944:Social Support