@article{68665, recid = {68665}, author = {Hume, E. M. and Krebs, Hans Adolf,}, title = {Vitamin A requirement of human adults : an experimental study of vitamin A deprivation in man /}, publisher = {H.M. Stationery Office,}, address = {London :}, pages = {145 p. :}, year = {1949}, url = {http://library.usi.edu/record/68665}, }