References
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- David and Gabriel (1924) Strahlentherapie., 16, p. 372.
- Krogh, A. (1929) Anatomie und Physiologie der Kapillaren, Kopenhagen
- Lewis, Th. (1927) The Bloodvessels of the human skin and their responses, London
- Ricker, G. (1915) Strahlentherapie., 5, p. 679.
- Schwarz, G. (1925) Munch. med. Wcht., pp. 1867-1869.
- Tannenberg, J. and Fischer-Wasels (1927) Handb. der norm. und pathol. Physiol. Berlin