LITWIN, S D STUDIES OF THE INCIDENCE AND SIGNIFICANCE OF ANTI-GAMMA GLOBULIN FACTORS IN THE AGING. [electronic resource] - Arthritis and rheumatism Aug 1965 - 538-50 p. digital Publication Type: Journal Article ISSN: 0004-3591 Standard No.: 10.1002/art.1780080408 doi Subjects--Topical Terms: AgingAntibodiesAntibodies, Anti-IdiotypicAntigen-Antibody ReactionsChronic DiseaseGeriatricsHumansIncidenceLatex Fixation TestsSyphilis SerodiagnosisThyroglobulingamma-Globulins