01272cam a22002891 4500 med46000112 DLC 20260227111556.0 880104r19451945xx a b 000 0 eng med46000112 (OCoLC)17301805 DLC MiEM MiEM OCoLC DLC premarc QR251 .L6 Lofgren, Ruth, 1916- The effect of low temperature on the spirochetes of relapsing fever ... [by] Ruth Lofgren and Malcolm H. Soule ... [n.p., 1945] 3 pts. illus., tables, diagrs. 26 cm. 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. Spirochaeta. Relapsing fever. Soule, Malcolm Herman, 1896- joint author. 37855 37855