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Siebert . Illustration aus dem Buch Der rztliche Ratgeber in Wort und Bild Unter Mitwirkung hervorragender Fachmnner herausgegeben von Dr Fr Siebert Lehmanns Verlag Mnchen An illustration out of the book Der rztliche Ratgeber in Wort und Bild The Medical Adviser in Words and Pictures The lower picture shows chickenpox windpocken