Sparrow, J., Bron, A., Phelps Brown, N., & Neil, H. (1992). Biometry of the crystalline lens in late onset diabetes: The importance of diabetic type. BMJ Publishing Group.

Sparrow, J., A. Bron, N. Phelps Brown, and H. Neil. Biometry of the Crystalline Lens in Late Onset Diabetes: The Importance of Diabetic Type. BMJ Publishing Group, 1992.

Sparrow, J., et al. Biometry of the Crystalline Lens in Late Onset Diabetes: The Importance of Diabetic Type. BMJ Publishing Group, 1992.