Nguyen, Nhu-An T Operative versus nonoperative treatments for Legg-Calvé-Perthes disease: a meta-analysis. [electronic resource] - Journal of pediatric orthopedics - 697-705 p. digital Publication Type: Comparative Study; Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't; Review ISSN: 1539-2570 Standard No.: 10.1097/BPO.0b013e318269c55d doi Subjects--Topical Terms: Age FactorsChildChild, PreschoolHumansLegg-Calve-Perthes Disease--diagnostic imagingLogistic ModelsOrthopedic Procedures--methodsRadiographySeverity of Illness IndexTreatment Outcome