Test your diagnostic ability.
Dean
D H
DH
Reeve
C M
CM
Sheridan
P J
PJ
D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008875:Middle Aged; D010508:Periodontal Abscess / Q000175:diagnosis*; D010518:Periodontitis / Q000175:diagnosis*; D014092:Tooth Root