title: Streptococci strike twice.
authors.forename: R
authors.initials: R
authors.lastname: Parnaby
mesh_terms: D000368:Aged; D004697:Endocarditis, Bacterial / Q000382:microbiology*; D006801:Humans; D008297:Male; D010305:Parotid Diseases / Q000150:complications; D010510:Periodontal Diseases / Q000150:complications / Q000382:microbiology; D012008:Recurrence; D013290:Streptococcal Infections / Q000175:diagnosis*