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Keywords from Image Description:
Lindner Thumb sucking. Sixyearold thumb sucker with active assistance From Lindner Das Saugen an den Fingern Lippen etc bei den Kindem Ludeln Jahrbuch fr Kinderheilkunde Leipzig Fig Source Jonathan Gillis Bad Habits and Pernicious Results Thumb Sucking and the Discipline of latenineteenthcentury Paediatrics Medical History