Vitamin D and Melanoma
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PII: S1047-2797(09)00016-7
doi:10.1016/j.annepidem.2009.01.005
© 2009 Elsevier Inc. All rights reserved.
PII: S1047-2797(09)00016-7
doi:10.1016/j.annepidem.2009.01.005
© 2009 Elsevier Inc. All rights reserved.