Clinical hematologists are frequently faced with the intriguing problem of agnogenic myelo- dysplastic syndromes; these syndromes are peculiar in their failing or poor response to therapy and in that they frequently terminate in acute leukemia. An international symposium held in Innsbruck in 1978 was dedicated to clinical and pathophysiologic aspects of the preleukemic syndromes. This monograph consists of articles that correspond to the papers presented at the symposium and of the edited discussions. It was the aim of the symposium and of this monograph to outline comprehensively the...