603,510 ERIKSSON IVAN Studies of high-frequency positive-preasure ventilation (HFPFV) vith apeoial reference to bronchoscopy ana laryngoaoopy under general anaesthesia. Uppsala 1977 Almqvist and Wiksell 8° s. 34 Acta Universitatis Upsaliensis ,Abstracts of Uppsala Dissertations from the Faculty of Medicine 266 Thesis