TY - GEN AU - Boaden,R W TI - Medical gas delivery systems SN - 0007-0912 PY - 1985///0415 KW - Anesthesiology KW - instrumentation KW - Humans KW - Oxygen Inhalation Therapy N1 - Publication Type: Letter UR - https://doi.org/10.1093/bja/57.2.242 ER -