Loomis, W. Farnsworth <br/><br/>
Skin-pigment regulation of vitamin-D biosynthesis in man :  variation in solar ultraviolet at different latitudes may have caused racial differentiation in man 

<br/><br/> <Donation Engel> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Homme<br/>Race<br/>Peau<br/>Pigment<br/>Biosynthèse<br/>Vitamine D