References
- Paul, C. Hodges (1948) Amer., T. of Roentgen and Rad. Ther., 59, p. 122.
- John, F. Roach , Robert, E. Sloan and Russel, H. Morgan (1949) Ibid., 61, p. 183.
- St. John, F. B. , Swenson, P. C. and Harvey, H. D. (1944) Ann. of Surg., 119, p. 225.
- Swenson, P. C. (1948) South. Med. Journ., 41, p. 108.
- Swenson, P. C.
- Wegelius, Carl and Noschi, Kai (1948) Acta Rad., 29, p. 101.