1. Pes planus;Rose, G.K.,1982
2. Knock-knee in children;Morley, A.J.M.;BrMedJ,1957
3. An end result study of various operative procedures for correcting flat feet in children;Crego, C.H.; Ford, L.J.;J Bone3'oint Surg[Am],1952
4. A.review of elongation of oscalcis for flat feet;Phillips, G.E.;J BoneJroint Surg[Br],1985
5. Flat feet in children;Barry, R.J.; Cranton, P.E.;Clin Orthop,1953