Detecting patients at a high risk of developing chronic obstructive pulmonary disease in general practice: cross sectional case finding study.

Autor: Van Schayck CP; Department of General Practice, Research Institute ExTra, University of Maastricht, Postbox 616, 6200 MD Maastricht, Netherlands. Onno.vanschayck@hag.unimaas.nl, Loozen JM, Wagena E, Akkermans RP, Wesseling GJ

Publikováno v: BMJ (Clinical research ed.) [BMJ] 2002 Jun 08; Vol. 324 (7350), pp. 1370.