@article{doi:10.1001/archpedi.1989.02150210059019,
author = {Rupar DG and Fisher MC and Fletcher H and Mortensen J},
title = {EMergence of isolates resistant to ampicillin},
journal = {American Journal of Diseases of Children},
volume = {143},
number = {9},
pages = {1033-1037},
year = {1989},
doi = {10.1001/archpedi.1989.02150210059019},
URL = { + http://dx.doi.org/10.1001/archpedi.1989.02150210059019},
eprint = {/data/Journals/PEDS/13198/archpedi_143_9_019.pdf}
}