[Quo vadis, orthodontia? Lecture at the 1973 meeting of the Swiss orthodontical study group].
D005858:Germany; D049673:History, 20th Century; D009967:Orthodontic Appliances; D009968:Orthodontic Appliances, Removable; D009970:Orthodontics / Q000193:education / Q000266:history*; D009971:Orthodontics, Corrective; D013557:Switzerland
Quo vadis, Orthodontia? Vortrag vor der Fachtagung 1973 der Schweizerischen Kieferothopädischen Studiengruppe