Confounding and interaction.
Szklo
M
M
D015986:Confounding Factors, Epidemiologic; D006801:Humans; D008545:Melanoma / Q000517:prevention & control*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012878:Skin Neoplasms / Q000517:prevention & control*; D013473:Sunscreening Agents
D013473:Sunscreening Agents