Solar ultraviolet-B radiation and vitamin D: a cross-sectional population-based study using data from the 2007 to 2009 Canadian Health Measures Survey

por Greenfield, Jamie A, Park, Philip S, Farahani, Ellie, Malik, Suneil, Vieth, Reinhold, McFarlane, Norman A, Shepherd, Theodore G, Knight, Julia A
Publicado 2012