1. X-rays harmless with the static machine;Frey;Elect Engineer Dec.,1896
2. Injurious effects on the skin;Stevens;Brit Med J.,1896
3. A case of dermatitis due to the X-rays;Gilchrist;Bull Johns Hopkins Hosp.,1897
4. X-ray and Radium injuries;Colwell,1934
5. The effect of X-rays upon the eyes;Edison;Nature,1896