TY - JOUR T1 - Survey on domiciliary oxygen by concentrator in England and Wales. JO - Eur Respir J PY - 1994/11/01 AU - Waterhouse JC AU - Nichol J AU - Howard P ED - VL - 7 IS - 11 SP - 2021 EP - 2025 Y2 - 2024/12/22 ER -