[1] Nomland, R., J. Invest. Dermat. 22:209,1954.
[2] Pillsbury, D. M., et al: Dermatology,p. 96p, Sannders, London, 1956.
[3] Sutton,R. L., Diseases of the Skin, 11th ed., p. 649, Mosbv,London, 1956.
[4] Lever, W. F., Histopathology of the Skin, 2nd ed., p. 257, Lippincott, London,1854.
[5] Crocker, A. C.,Pediatrics 8: 573. 1951. |