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4. Ueber primaere Neubildungen des Herzens;Madelstamm, M.;Virchows Arch (A)
5. Polypoid sarcoma of the pulmonary trunk: analysis of the literature and report of a case with leptomeric organelles and ultra structural features of a rhabdomyosarcoma;Bleisch, V.; Kraus, F.;Cancer,1980