title: Persistence of virulent Treponema pallidum despite penicillin therapy in congenital syphilis.
mesh_terms: D000328:Adult; D001082:Aqueous Humor / Q000382:microbiology*; D005123:Eye / Q000473:pathology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000382:microbiology*; D009900:Optic Nerve / Q000473:pathology; D010400:Penicillin G / Q000627:therapeutic use*; D010403:Penicillin Resistance; D011247:Pregnancy; D013590:Syphilis, Congenital / Q000188:drug therapy / Q000382:microbiology* / Q000473:pathology; D014210:Treponema pallidum / Q000302:isolation & purification*
chemical_list: D010400:Penicillin G