DOI:
10.1055/s-00000056
Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin
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References
Larson JL, Kim MJ, Sharp JT. et al.
Inspiratory muscle training with a pressure threshold breathing device in patients with chronic obstructive pulmonary disease.
The American review of respiratory disease 1988;
138: 689-696
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