BibTex format
@article{Giannelli:1997:10.1128/IAI.65.1.331-334.1997,
author = {Giannelli, V and Fontana, MR and Giuliani, MM and Duan, GC and Rappuoli, R and Pizza, M},
doi = {10.1128/IAI.65.1.331-334.1997},
journal = {INFECTION AND IMMUNITY},
pages = {331--334},
title = {Protease susceptibility and toxicity of heat-labile enterotoxins with a mutation in the active site or in the protease-sensitive loop},
url = {http://dx.doi.org/10.1128/IAI.65.1.331-334.1997},
volume = {65},
year = {1997}
}