TY - GEN AU - HEIRONIMUS,T W AU - EASTWOOD,D W TI - HUMIDIFYING THE AIR-SHIELDS RESPIRATOR SN - 0003-3022 PY - 1996///1201 KW - Protective Devices KW - Ventilators, Mechanical N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00000542-196507000-00023 ER -