title: Non-venereal syphilis and Australia antigen among the G-wi and G--ana San of the Central Kalahari Reserve, Botswana.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001902:Botswana; D002648:Child; D002675:Child, Preschool; D005260:Female; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D008297:Male; D012737:Sex Factors; D013587:Syphilis / Q000453:epidemiology*; D013588:Syphilis Serodiagnosis
chemical_list: D006511:Hepatitis B Antigens