1. Michaelson IC: The mode of development of the vascular system of the retina with some observations of its significance for certain retinal diseases. Trans. Ophthalmol. Soc. UK. 1948; 68: 137–180.
2. Michaelson IC: “Retinal Circulation in Man and Animals”, Charles C. Thomas, Publisher, Springfield, Illinois (1954).
3. Folkman J., Merler E., Abernathy C., Williams G: Isolation of a tumor factor responsible for angiogenesis. Exp. J. Med. 1987; 235: 442–447.
4. BenEzra, D: Neovasculogenic ability of prostaglandins, growth factors and synthetic chemoattractants. Am. J. Ophthalmol. 86:455–461, 1978.
5. BenEzra, D: Neovasculogenesis. Triggering factors and possible mechanisms. Survey Ophthalmol. 24:167–176, 1979.