1. Complement fixation in endemic typhus fever;BENGTSON I. A.;Public Health Repts.,1941
2. The serologic diagnosis of endemic typhus. II. A comparison of water-bath and icebox fixation in the complement fixation test;DAMON S. R.;J. Lab. Clin. Med.,1945
3. On the preservation of typhus yolk sacs and an attempt to cultivate typhus rickettsiae in dead chick embryos;ITOH H.;Kitasato Arch. Exptl. Med.,1949
4. KAPLAN M. M. 1951 Survey methods for the detection of Q fever. World Health Organization Information Series WHO/Zoon/19 9 May 1951.
5. LACKMAN D. B. 1947 Procedures employed at the Rocky Mountain Laboratory of the U. S. Public Health Service in the preparation of rickettsial suspensions and in performing rickettsial complement-fixation tests. Rocky Mtn. Lab. NIH Circular No. 12 (processed) Feb. 1947.