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. 1945 Sep;50(3):305–311. doi: 10.1128/jb.50.3.305-311.1945
The Effect of Low Temperature on the Spirochetes of Relapsing Fever
I. The Viability of Four Strains of Spirochetes Stored at —48 Degrees Centigrade
Ruth Lofgren
a,1, Malcolm H Soule
a
Ruth Lofgren
aHygienic Laboratory, University of Michigan, Ann Arbor, Michigan
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Malcolm H Soule
aHygienic Laboratory, University of Michigan, Ann Arbor, Michigan
Find articles by Malcolm H Soule
aHygienic Laboratory, University of Michigan, Ann Arbor, Michigan
1
Based on data submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Bacteriology, University of Michigan, November, 1944.
PMCID: PMC374142 PMID: 16561003