1. Fluorescence angiography of the iris in diabetics and non-diabetics;Baggesen, L.H.;Acta Ophthalmologica,1969
2. The iris in central retinal vein thrombosis;Cappin, J.M.; Whitelocke, R.;Proceedings of the Royal Society of Medicine,1974
3. Vascular tufts at the pupillary margin in myotonic dystrophy;Cobb, B.; Shilling, J.S.; Chisholm, I.H.;American Journal of Ophthalmology,1970
4. Fluoreszenzangiographie der Iris bei Diabetikern;Friedburg, D.; Wigger, H.; Schultheiss, K.;Klinische Monatsblatter fiur Augenheilkunde,1973
5. Hogan, M. J., Alvarado, J. A., and Weddell, J. E. (1971). Histology of the Eye, pp. 236-240. Saunders: Philadelphia.