[Toothbrushes and their suitability for small children].
Wetzel
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D002648:Child; D002675:Child, Preschool; D004867:Equipment Design; D006801:Humans; D013499:Surface Properties; D014099:Toothbrushing / Q000295:instrumentation*
Untersuchung von Zahnbürsten auf die Eignung für Kleinkinder.