Tverdokhleb, I.V. and Makarchuk, O.I. 2010. Dimension of degree of involutive facial skin changes on the basis of morphological criteria and by the «Light Check-up». Морфологія / Morphologia / Morfologìâ. 4, 4 (Dec. 2010), 57–66. DOI:https://doi.org/10.26641/1997-9665.2010.4.57-66.