Long-term oxygen therapy in Poland.
Zieliński
J
J
Department of Respiratory Medicine, Institute of TB and Lung Diseases, Warsaw, Poland.
Sliwiński
P
P
Tobiasz
M
M
Górecka
D
D
D006699:Home Care Services; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000628:therapy; D010102:Oxygen Inhalation Therapy; D011044:Poland