TY - BOOK AU - Lofgren,Ruth AU - Soule,Malcolm Herman TI - The effect of low temperature on the spirochetes of relapsing fever .. AV - QR251 .L6 PY - 1945///] CY - [n.p. KW - Spirochaeta KW - Relapsing fever N1 - Each part has cover-title; part 3 with special title only; Based on thesis (Ph. D.)--University of Michigan, 1944; Three articles reprinted from the journal of bacteriology, v. 50, nos. 3, 6, Sept., Dec., 1945; "References" at the end of each part; [pt. 1] The viability of four strains of spirochetes stored at -48 degrees centigrade.--[pt. 2] The structure and motility of Spirochaeta novyi.-- [pt. 3] The structure of Spirochaeta novyi as revealed by the electron microscope ER -