@Article{acp-8-2841-2008, AUTHOR = {Turnbull, D. J. and Parisi, A. V.}, TITLE = {Utilising shade to optimize UV exposure for vitamin D}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {8}, YEAR = {2008}, NUMBER = {11}, PAGES = {2841--2846}, URL = {http://www.atmos-chem-phys.net/8/2841/2008/}, ISSN = {1680-7316} }