title: Testing diagnostic acumen.
authors.forename: M T
authors.initials: MT
authors.lastname: Marshall
mesh_terms: D003937:Diagnosis, Differential; D005194:Family Practice; D006801:Humans; D010612:Pharyngitis / Q000175:diagnosis*; D010808:Physical Examination / Q000592:standards*; D012680:Sensitivity and Specificity; D013290:Streptococcal Infections / Q000175:diagnosis*; D013297:Streptococcus pyogenes