title: [Morphological changes in primary syphilis and the analgesia problems of the hard chancre].
mesh_terms: D001706:Biopsy; D002601:Chancre / Q000473:pathology*; D006801:Humans; D009411:Nerve Endings / Q000473:pathology; D010146:Pain / Q000473:pathology*; D012867:Skin / Q000294:innervation / Q000473:pathology; D013587:Syphilis / Q000473:pathology*
vernacular_title: Morfologicheskie izmeneniia pri pervichnom sifilise i nekotorye voprosy analgii tvedogo shankra.