@article{doi:10.1001/archpedi.1939.01990060257027,
title = {Crystalline enzymes: The chemistry of pepsin, trypsin, and bacteriophage. columbia biological series, no. 12.},
journal = {American Journal of Diseases of Children},
volume = {57},
number = {6},
pages = {1477},
year = {1939},
doi = {10.1001/archpedi.1939.01990060257027},
URL = { + http://dx.doi.org/10.1001/archpedi.1939.01990060257027},
eprint = {/data/Journals/PEDS/23945/archpedi_57_6_027.pdf}
}