title: Skin biopsy in cases of secondary syphilis.
mesh_terms: D000936:Antigen-Antibody Complex; D001706:Biopsy; D005455:Fluorescent Antibody Technique; D006801:Humans; D012867:Skin / Q000473:pathology*; D013587:Syphilis / Q000473:pathology*; D014652:Vascular Diseases / Q000209:etiology
chemical_list: D000936:Antigen-Antibody Complex