1. Peripheral Vascular Diseases, Chapter V, Nailfold Capillaries in Man, by Roth, Grace M;Allen,1946
2. Blood Pressure in the Arterioles, Capillaries and Small Veins;Lombard;Am. J. Physiol.,1912
3. Ueber Beobachtung der Hautkapillaren und ihre klinische Bedeutung;Weiss;München. med. Wchnschr.,1917
4. The Role of the Capillaries in Circulatory Disorders;Boas;Med. Clin. North America,1922
5. Capillary Observations in Cardiovascular Renal Disease;Brown;Ann. Clin. Med.,1922