title: How reliable are sunscreen protection factors?
mesh_terms: D004890:Erythema / Q000517:prevention & control*; D006801:Humans; D008722:Methods; D011829:Radiation Dosage; D012867:Skin / Q000528:radiation effects*; D013473:Sunscreening Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D014466:Ultraviolet Rays
chemical_list: D013473:Sunscreening Agents