• The Treponema pallidum immobilization test was applied to 4,462 serums representing 2,545 patients with or without syphilis. The test was found to be negative in a number of cases where positive results were obtained by one or another of the older serologic tests. The author believes it to be helpful in eliminating false-positive results. He also believes it to be helpful in eliminating false-negative results.
Ledbetter RK. THE TREPONEMA PALLIDUM IMMOBILIZATION TEST, A DIAGNOSTIC AID TO THE CLINICIAN. JAMA. 1956;160(16):1392–1393. doi:10.1001/jama.1956.02960510018004
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