[Helvetica Paediatrica Acta in changing times].
Tönz
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Pädiatrische Klinik, Kinderspital, Luzern.
D049673:History, 20th Century; D010372:Pediatrics / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*; D013557:Switzerland
Helvetica Paediatrica Acta an der Zeitenwende.