1. Anatomical and histochemical changes in skin after laser irradiation;Helwig;Fed. Proc,1965
2. The effect of repeated exposures to laser beams;Goldman;Acta Dermatovener,1964
3. Wavelength Specificity of Laser Induced Biological Change;Rounds,1967
4. The Argon Laser: Its Effects in Vascular and Neural Tissue;Brown,1967