Ecological Studies Of Ultraviolet B, Vitamin D And Cancer Since 2000
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PII: S1047-2797(09)00010-6
doi:10.1016/j.annepidem.2008.12.014
© 2009 Elsevier Inc. All rights reserved.
PII: S1047-2797(09)00010-6
doi:10.1016/j.annepidem.2008.12.014
© 2009 Elsevier Inc. All rights reserved.