# Portable oxygen concentrators versus oxygen cylinder during walking in interstitial lung disease: <scp>A</scp> randomized crossover trial

> Research article (Respirology, 2017) · cited 25× · AI/ML

**Wikidata**: [openalex:W2617211473](https://www.wikidata.org/wiki/openalex:W2617211473)  
**Source**: https://4ort.xyz/entity/portable-oxygen-concentrators-versus-oxygen-cylinder-during-walking-in-interstitial-lung-disease-scp-a-scp-randomized-cr