TY - GEN AU - Beydon,L AU - Chasse,M AU - Harf,A AU - Lemaire,F TI - Inspiratory work of breathing during spontaneous ventilation using demand valves and continuous flow systems SN - 0003-0805 PY - 1989///0112 KW - Adult KW - Aged KW - Female KW - Humans KW - Male KW - Middle Aged KW - Positive-Pressure Respiration KW - instrumentation KW - Work of Breathing N1 - Publication Type: Journal Article UR - https://doi.org/10.1164/ajrccm/138.2.300 ER -