@misc{indiciaeeb010440bd85, title = {[Modern long-term oxygen therapy--practical aspects].}, author = {H P Anderhub and E W Russi}, year = {1999}, doi = {10.1024/0040-5930.56.3.136}, url = {https://pubmed.ncbi.nlm.nih.gov/10218435/}, note = {Source identifier: 10218435} }