1. Rickets then and now;Harrison;J Pediatr,1975
2. Rickets and osteomalacia are still around;Pitt;Radiol Clin North Am,1991
3. Osteomalacia: Uncommon causes;Turner;A J Roentgenol,1979
4. Daniel Whistler and the English Disease. A translation and biographical note;Smerdon;J Hist Med,1950