1. Relevance of dermatological disease among persons 1–74 years of age;Johnson,1977
2. Dermatologic complaints presented by 330 geriatric patients;Young;Geriatrics,1958
3. Skin lesions of the aged;Tindall;JAMA,1963
4. Keep them walking;Helfand;Manufacturing Chemical Aerosol News,1973
5. Physiology of aging skin;Lorincz;III Med J,1960