Borg U, Eriksson I, Lyttkens L, Sjöstrand U, Wattwil M. A Preliminary Report on Experimental Studies of Continuous Positive-pressure Ventilation (CPPV) and High-frequency Positive-pressure Ventilation (HFPPV). ujms [Internet]. 1979Jun.1 [cited 2024Dec.2];84(2):109-17. Available from: https://ujms.net/index.php/ujms/article/view/7208