Germany became a modern, unified nation under the leadership of the âIron Chancellorâ Otto von Bismarck (1815-1898), who between 1862 and 1890 effectively ruled first Prussia and then all of Germany.
Laser effects on the skin. Thermal (burn) injury is the most common cause of laser induced skin damage. Thermal damage is generally associated with lasers operating at exposure times greater than 10 microseconds and in the wavelength region from the near ultraviolet to the far infrared.
Lasers can have a cauterizing, or sealing, effect and may be used to seal: nerve endings to reduce pain after surgery; blood vessels to help prevent blood loss; lymph vessels to reduce swelling and limit the spread of tumor cells; Lasers may be useful in treating the very early stages of some cancers, including: cervical cancer; penile cancer; vaginal cancer