Single Article Purchase:
Chronic Sunscreen Use Decreases Circulating Concentrations of 25-Hydroxyvitamin D: A Preliminary Study
Matsuoka LY, Wortsman J, Hanifan N, Holick MF.
Arch Dermatol. 1988;124(12):1802-1804.
Published online December 1, 1988
Choose criteria for pricing info
Want online access for an institution? Learn More/Request Quote >
Obtain AMA PRA Category 1 Credit™ by reading an article and completing an online quiz. Quizzes are available to AMA Members, subscribers, and those who have purchased tokens.