Laser therapy
A laser is used for many medical purposes. Because the laser beam is so small and precise, it enables physicians to safely treat specific tissue without injuring surrounding tissue. Some uses of the laser are retinal surgery, excision of lesions, and cauterization of vascular structures.
Update Date: 7/25/2007 Updated by: Robert A. Cowles, MD, Assistant Professor of Surgery, Columbia University College of Physicians and Surgeons, New York, NY. Review provided by VeriMed Healthcare Network.
EDIZIONI DI PUBBLICO DOMINIO (HTML)
- Alighieri - La Divina Commedia
RISORSE DAL WEB:
Encyclopaedia Britannica 1911 - PDF
Project Gutenberg: DVD-ROM 2007
Wikipedia for Schools - ENGLISH
Wikipedia for Schools - FRENCH
Wikipedia for Schools - SPANISH