TY - GEN AU - Lonshakov,Iu I TI - [Seroresistance in syphilis] SN - 0042-4609 PY - 1984///1025 KW - Humans KW - Syphilis KW - immunology KW - Syphilis Serodiagnosis KW - methods KW - Terminology as Topic N1 - Publication Type: English Abstract; Journal Article ER -