1. Variation in practitioner-measured x-ray angles in hallux abducto valgus evaluation;Fox;J Foot Surg,1989
2. Sources of error in the production and measurement of standard radiographs of the foot;Venning;Radiology,1951
3. A method of correcting metatarsus primus varus. A preliminary report;Ellis;J Bone Joint Surg,1951
4. The natural history of hallux valgus in adolescence and early adult life;Piggot;J Bone Joint Surg,1960
5. A statistical analysis on the reliability of the proximal articular set angle;Armanek;J Foot Surg,1986