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Dyfyniad Arddull ChicagoBakerly, Nawar Diar, Ashley Woodcock, John P. New, J. Martin Gibson, Wei Wu, David Leather, and Jørgen Vestbo. "The Salford Lung Study Protocol: A Pragmatic, Randomised Phase III Real-world Effectiveness Trial in Chronic Obstructive Pulmonary Disease." Respir Res 2015.
Dyfyniad MLABakerly, Nawar Diar, et al. "The Salford Lung Study Protocol: A Pragmatic, Randomised Phase III Real-world Effectiveness Trial in Chronic Obstructive Pulmonary Disease." Respir Res 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.