This impact was attained by medicinal laser application to alexandrite, dye, erbium and gallium arsenid in various conditions on cultures of pulmonic fibroblasts of human embryo. Obtained results were estimated by transmission and scanning microscopy. The highest cell destruction was observed in dye and alexandrite, being less expressed in gallium arsenid under laser irradiation. Impulsive action of erbium laser did not cause any substantional cell destruction. So, laser application to dye alexandrite and gallium arsenide for healing scar and contracture damages is completely justified for skin pathogeny.
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