Foundations of medical oxygen systems: web annex B: site evaluation for oxygen generator plants, 17 February 2023 17 February 2023 | Technical document Download (134.1 kB) Other languages:ArabicChineseRussian WHO Team Medical Devices and Diagnostics (MDD) Editors World Health Organization Number of pages 7 Reference numbers WHO Reference Number: WHO/2019-nCoV/Clinical/Oxygen/Web_annex_B/2023.1 Copyright