R. Hapnes

Diabetic eye complications in a medium sized municipality in southwest Norway.

H. Bergrem, R. Hapnes, 2009, Acta ophthalmologica Scandinavica.

Comparison of topical timolol vs betaxolol on cardiopulmonary exercise performance in healthy volunteers

K. Dickstein, T. Aarsland, L. Viksmoen, 1988, Acta ophthalmologica.

Prevalence of diabetic retinopathy in Norway: report from a screening study

Geir Bertelsen, Kristian Fossen, G. Bertelsen, 2012, Acta ophthalmologica.

Comparison of aqueous and gellan ophthalmic timolol with placebo on the 24-hour heart rate response in patients on treatment for glaucoma.

K. Dickstein, K Dickstein, R Hapnes, 2001, American journal of ophthalmology.

Prevalence of diabetic retinopathy in Norway: report from a screening study

G. Bertelsen, L. Gøransson, K. E. Alsbirk, 2012, Acta ophthalmologica.