Another Ricketts contribution.
Quint
A S
AS
D002508:Cephalometry / Q000295:instrumentation; D049673:History, 20th Century; D006801:Humans; D009970:Orthodontics / Q000266:history*; D013704:Temporomandibular Joint / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed / Q000295:instrumentation; D014481:United States