Tashkin, Donald P.Celli, BartolomeSenn, StephenBurkhart, DeborahKesten, StevenMenjoge, ShailendraDecramer, MarcSzilasi, Mária2011-09-192011-09-192008New England Journal Of Medicine. -359 : 15 (2008), p. 1543-1554. -N. Engl. J. Med. - 0028-47930028-4793http://hdl.handle.net/2437/111564A 4-year trial of Tiotropium in chronic obstructive pulmonary diseasefolyóiratcikkopen access journal (6h embargo)http://webpac.lib.unideb.hu:8082/ebib/CorvinaWeb?action=cclfind&resultview=long&ccltext=idno+BIBFORM019151OrvostudományokKlinikai orvostudományokMassachusetts Medical Societyhttp://dx.doi.org/10.1056/NEJMoa0805800http://www.nejm.org/doi/full/10.1056/NEJMoa08058002017-12-01