Journal of Venereal Disease Information, Volumes 29-30

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Federal Security Agency, Public Health Service., 1948

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Página 300 - Mankind has never been in this position before. Without having improved appreciably in virtue or enjoying wiser guidance, it has got into its hands for the first time the tools by which it can unfailingly accomplish its own extermination.
Página 318 - ... particles at the same magnification. Zonal reactions, due to excess of reactive serum component, may appear to be very weak or, in rare instances negative. Whenever a zonal reaction is suspected, another test should be performed using 0.1 ml. of heated serum and 0.4 ml. saline in place of the original 0.5 ml.
Página 269 - Division of Laboratories and Research New York State Department of Health Albany, New York 12201, USA REFERENCES LEUCHTENBERGER C.
Página 158 - Guide is printed with the approval of the Bureau of the Budget as required by rule 42 of the Joint Committee on Printing.
Página 318 - Read reactions, as soon as secondary shaking period is completed, by holding tubes close to the shade of a reading lamp with a black background, at approximately eye level. A shaded fluorescent desk lamp or a goosenecktype lamp with a blue bulb is a satisfactory reading light source.
Página 318 - VDRL slide flocculation tests (see page 110). 2. Add four parts of 1-percent sodium chloride solution to one part of VDRL slide test emulsion. Mix well and allow to stand five or more minutes (not longer than 2 hours) before use. This solution will be referred to as diluted antigen emulsion.
Página 203 - Francisco city clinic under the auspices of the United States Public Health Service, the California State Department of Public Health and the San Francisco Department of Public Health.
Página 318 - No visible clumping or aggregation of antigen particles. Appearance slightly turbid or granular. Definite silken swirl on gentle shaking. Note: Turbid or hemolyzed serums may cause completed tests to be too turbid for macroscopic reading. Fluid from these tubes may be examined microscopically. Positive reports may be rendered when large antigen-particle masses are detected microscopically if the serum tested is found to be free of particles at the same magnification.
Página 141 - The minimal infectious inoculum of Spirochaeta pallida (Nichols Strain), and a consideration of its rate of multiplication in vivo.
Página 117 - The fat curds are small, varying in size from that of a pinhead to that of a small pea.

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