1.      Eastwood DM, Dennett X, Shield LK, et al: Muscle abnormalities in idiopathic toe-walkers, J Pediatr Orthop B 6:215, 1997

2.      Hensinger RN: Limp, Pediatr Clin North Am 33:1355, 1986.

3.      Herring JA. Tachdjian's Pediatric Orthopaedics. 5 rd Edition, New York: W.B. Saunders Company, 2013

4.      Kocher MS, Mandiga R, Murphy JM, et al: A clinical practice guideline for treatment of septic arthritis in children: efficacy in improving process of care and effect on outcome of septic arthritis of the hip, J Bone Joint Surg Am 85:994, 2003.

5.      Kocher MS, Mandiga R, Zurakowski D, et al: Validation of a clinical prediction rule for the differentiation between septic arthritis and transient synovitis of the hip in children, J Bone Joint Surg Am 86:1629, 2004.

6.      Kocher MS, Zurakowski D, Kasser JR: Differentiating between septic arthritis and transient synovitis of the hip in children: an evidence-based clinical prediction algorithm, J Bone Joint Surg Am 81:1662, 1999.

7.      Loder RT, Richards BS, Shapiro PS, et al: Acute slipped capital femoral epiphysis: the importance of physeal stability, J Bone Joint Surg Am 75:1134, 1993.

8.      Luhmann SJ, Jones A, Schootman M, et al: Differentiation between septic arthritis and transient synovitis of the hip in children with clinical prediction algorithms, J Bone Joint Surg Am 86:956, 2004.

9.      Miralles M, Gonzalez G, Pulpeiro JR, et al: Sonography of the painful hip in children: 500 consecutive cases, AJR Am J Roentgenol 152:579, 1989.

10.  Parsch K: The painful hip joint in the child: differential diagnosis and therapy of coxitis fugax, Perthes disease and septic coxitis [in German], Padiatr Padol 27:A55, 1992.

11.  Renshaw TS: The child who has a limp, Pediatr Rev 16:458, 1995.

12.  Richards BS: The limping child: orthopaedic knowledge update—pediatrics. Rosemont, Ill, 1996, American Academy of Orthopaedic Surgeons.

13.  Terjesen T, Osthus P: Ultrasound in the diagnosis and follow-up of transient synovitis of the hip, J Pediatr Orthop 11:608, 1991.

14.  Tsao AK, Dias LS, Conway JJ, et al: The prognostic value and significance of serial bone scintigraphy in Legg-Calve-Perthes disease, J Pediatr Orthop 17:230, 1997.

15.  Waters E: Toxic synovitis of the hip in children, Nurse Pract 20:44,1995.