title: THE HEPARINIZED CAPILLARY TUBE AS AN EPIDEMIOLOGIC TOOL. I. SYPHILIS AND SALMONELLA SEROLOGIC SCREENING.
mesh_terms: D001800:Blood Specimen Collection; D002498:Centrifugation; D004813:Epidemiology; D006493:Heparin; D006801:Humans; D008403:Mass Screening; D011677:Punctures; D012475:Salmonella; D012698:Serologic Tests; D013587:Syphilis; D013588:Syphilis Serodiagnosis
chemical_list: D006493:Heparin
keywords: BLOOD SPECIMEN COLLECTION; CENTRIFUGATION; EPIDEMIOLOGY; HEPARIN; MASS SCREENING; PUNCTURES; SALMONELLA; SERODIAGNOSIS; SYPHILIS SERODIAGNOSIS