1. Krul M, van der Wouden JC, Schellevis FG, et al. Acute non-traumatic hip pathology in children: incidence and presentation in family practice. Fam Pract. 2010 Apr;27(2):166-70. doi: 10.1093/fampra/cmp092. Epub 2009 Dec 21. PMID: 20026553.
2. Tallen G, Bielack S, Henze G, et al. Musculoskeletal pain: a new algorithm for differential diagnosis of a cardinal symptom in pediatrics. Klin Padiatr. 2014 Apr;226(2):86-98. doi: 10.1055/s-0034-1366989. Epub 2014 Mar 31. PMID: 24687611.
3. Gershuni DH, Hargens AR, Lee YF, et al. The questionable significance of hip joint tamponade in producing osteonecrosis in Legg-Calvé-Perthes syndrome. J Pediatr Orthop. 1983 Jul;3(3):280-6. doi: 10.1097/01241398-198307000-00002. PMID: 6874923.