Authors: J Zielinski; W MacNee; J Wedzicha; N Ambrosino; A Braghiroli; J Dolensky; P Howard; K Gorzelak; A Lahdensuo; K Strom; M Tobiasz; E Weitzenblum Journal: Monaldi Arch Chest Dis Date: 1997-02
Authors: N R Anthonisen; J E Connett; J P Kiley; M D Altose; W C Bailey; A S Buist; W A Conway; P L Enright; R E Kanner; P O'Hara Journal: JAMA Date: 1994-11-16 Impact factor: 56.272