<p>The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers to be developed. The active laser medium (laser gain/amplification medium) is a gas discharge which is air- or water-cooled, depending on the power being applied. Melasma (also known as chloasma faciei): or the mask of pregnancy when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation.</p>

Fractional Laser (CO2 laser) and Melasma: An Additional Treatment Option

Mahdy Hussein, Sherief

Refaat Youness, Eman

Medical Books

Scholars' Press

Un'introduzione alla micologia medica: Illustrativo e conciso (Italian Edition)

Abd El Hakim Sorour, Fadia

Edizioni Sapienza

See the best price to sell, buy, or rent books by Mahdy Hussein, Sherief. BookScouter helps to compare book prices from 25+ online bookstores and 30+ buyback vendors with a single search.

Books by Mahdy Hussein, Sherief