@article{doi:10.1001/archinte.1939.00190060039003,
author = {STEININGER G and ROBERTS LJ},
title = {BIophotometer test as index of nutritional status for vitamin a},
journal = {Archives of Internal Medicine},
volume = {64},
number = {6},
pages = {1170-1186},
year = {1939},
doi = {10.1001/archinte.1939.00190060039003},
URL = { + http://dx.doi.org/10.1001/archinte.1939.00190060039003},
eprint = {/data/Journals/INTEMED/14453/archinte_64_6_003.pdf}
}