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Long-term oxygen therapy improves health-related quality of life

150

Citations

30

References

2003

Year

References

YearCitations

1983

45.5K

1989

4.8K

1980

2.1K

1989

1.9K

1989

1.7K

1987

1.7K

1981

850

1999

514

1997

371

2001

333

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