title: Gel diffusion test for the diagnosis of active tuberculosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007194:India; D008297:Male; D008875:Middle Aged; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis* / Q000276:immunology