Yan Y
Faculty of Basic Medicine of PUMC, Beijing.
Zhongguo Yi Xue Ke Xue Yuan Xue Bao. 1990 Feb;12(1):9-12.
Microvascular changes in 32 biopsies of normal human skin were observed using electronic computer image analysis. Statistical analysis showed a decrease in microvasculature with increase of age, with significant decreases appearing at ages greater than or equal to 20, suggesting that the changes are closely related to aging of human skin.