@article{doi:10.1001/jama.1939.02800450007002,
author = {CURTIS AC and BALLMER RS},
title = {THe prevention of carotene absorption by liquid petrolatum},
journal = {Journal of the American Medical Association},
volume = {113},
number = {20},
pages = {1785-1788},
year = {1939},
doi = {10.1001/jama.1939.02800450007002},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800450007002},
eprint = {/data/Journals/JAMA/7385/jama_113_20_002.pdf}
}