title: Forty-five year old caucasian male with monoarticular arthritis.
mesh_terms: D001170:Arthritis, Infectious / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006192:Haemophilus Infections / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013582:Synovial Fluid / Q000382:microbiology