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Paper published by Professor Per Nafstad:
Original Research
Is the Disease Burden from COPD in Norway Falling off? A Study of Time Trends in Three Different Data Sources
Melbye H, Helgeland J, Karlstad Ø, Ariansen I, Langhammer A, Wisløff T, Nafstad P, Nystad W
International Journal of Chronic Obstructive Pulmonary Disease 2020, 15:323-334
Published Date: 12 February 2020