[Letter: Prevention of aged skin].
D000375:Aging; D006801:Humans; D008027:Light; D012871:Skin Diseases / Q000517:prevention & control*; D013473:Sunscreening Agents / Q000627:therapeutic use; D014466:Ultraviolet Rays / Q000009:adverse effects
D013473:Sunscreening Agents
Prophylaxe der Altershaut