TY  - SER
AU  - Loomis,W.Farnsworth
TI  - Skin-pigment regulation of vitamin-D biosynthesis in man: variation in solar ultraviolet at different latitudes may have caused racial differentiation in man
KW  - Homme
KW  - Race
KW  - Peau
KW  - Pigment
KW  - Biosynthèse
KW  - Vitamine D
N1  - <Donation Engel>
ER  -