Cutillas-Marco, Eugenia Vitamin D deficiency in South Europe: effect of smoking and aging. [electronic resource] - Photodermatology, photoimmunology & photomedicine Jun 2012 - 159-61 p. digital Publication Type: Journal Article ISSN: 1600-0781 Standard No.: 10.1111/j.1600-0781.2012.00649.x doi Subjects--Topical Terms: AdultAgedAging--bloodCalcium--bloodFemaleHabitsHumansMaleMiddle AgedParathyroid Hormone--bloodPhosphorus--bloodRisk FactorsSmoking--bloodSpain--epidemiologySunlight--adverse effectsVitamin D--analogs & derivativesVitamin D Deficiency--blood