Reference

Search for REF=[135].
135
Hickman, F. W., Steigerwalt, A. G., Farmer, J. J., III and Brenner, D. J.
Identification of Proteus penneri sp. nov., formerly known as Proteus vulgaris indole negative or as Proteus vulgaris biogroup 1.
J. Clin. Microbiol. 15: 1097-1102, 1982.
PMID: 7050147.