1. The significance of at-risk factors in ultrasound surveillance of developmental dysplasia of the hip. A ten-year prospective study;Paton;J Bone Joint Surg (Br),2005
2. Foot deformities at birth: a longitudinal prospective study over a 16 years period;Widhe;J Pediatr Orthop,1997
3. Congenital postural deformities: perinatal associations;Dunn;Proc R Soc Med,1972
4. Congenital postural deformities: further perinatal associations;Dunn;Proc R Soc Med,1974
5. Disorders of the foot in Tachdjian's Pediatric Orthopaedics;Herring,2008