1. Age-related mechanical properties of human skin;Escoffier,1989
2. In vivo studies of the evolution of physical properties of the human skin with age;Leveque,1984
3. Elastic properties of human skin;Cua,1990
4. A method for measuring human skin elasticity in vivo with observations of the effects of age, sex and pregnancy;Grahame,1970
5. Age-related alterations of echogenicity in Japanese skin;Tukahara,2000