O Brinchmann-Hansen, L Sandvik, Kristian F Hanssen, Knut Dahl-Jorgensen
Brinchmann-Hansen O, Sandvik L, Hanssen K F, Dahl-Jorgensen K.
Blood glucose concentrations and progression of diabetic retinopathy: Authors' reply
British Medical Journal 1992; 304 :506
doi:10.1136/bmj.304.6825.506