Wang, R Y Contracting for weight reduction--making the sacrifices worthwhile. [electronic resource] - MCN. The American journal of maternal child nursing - 46-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 0361-929X Standard No.: 10.1097/00005721-197801000-00015 doi Subjects--Topical Terms: Behavior Therapy--methodsChildFemaleHumansObesity--prevention & controlReinforcement, PsychologySelf Concept