Walton, R., Smith, R., & Russell, R. (1976). Effects of a diphosphonate (disodium etidronate: EHDP) on phosphate metabolism in Paget's disease of bone, primary hyperparathyroidism and type I hypophosphataemic rickets. Springer-Verlag.

Walton, R., R. Smith, and R. Russell. Effects of a Diphosphonate (disodium Etidronate: EHDP) on Phosphate Metabolism in Paget's Disease of Bone, Primary Hyperparathyroidism and Type I Hypophosphataemic Rickets. Springer-Verlag, 1976.

Walton, R., et al. Effects of a Diphosphonate (disodium Etidronate: EHDP) on Phosphate Metabolism in Paget's Disease of Bone, Primary Hyperparathyroidism and Type I Hypophosphataemic Rickets. Springer-Verlag, 1976.