FowlerE. P.Jr.: Use of Radon to Prevent Otitis Media due to Hyperplasia of Lymphoid Tissue and Barotrauma (Aero-Otitis), Arch. Otolaryng.40:402–405, 1944.
2.
HeinekeH.: Experimentelle Untersuchungen über die Einwirkung der Röntgenstrahlen auf innere Organe, Mitt. a. d. Grenzgeb. d. Med. u. Chir.14:21–94, 1905.
3.
CroweS. J.: The Prevention of Deafness in Children, Laryngoscope49:591, 1939.
4.
CroweS. J.BaylorJ. W.: The Prevention of Deafness, J. A. M. A.112:585–590, 1939.
5.
CroweS. J.BurnamC. F.: Recognition, Treatment and Prevention of Hearing Impairment in Children, Annals of Otology, Rhinology and Laryngology50:15–31, 1941.
6.
National Bureau of Standards Handbook No. 23, “Radium Protection”.