Comment on

• [Recommendations of the German Respiratory League for treatment of patients with chronic obstructive bronchitis and pulmonary emphysema].

  Wettengel R, Böhning W, Cegla U, Criée C, Fichter J, Geisler L, Fabel H, Köhler D, Konietzko N, Lindemann H, et al. Wettengel R, et al. Med Klin (Munich). 1995 Jan 15;90(1):3-7. Med Klin (Munich). 1995. PMID: 7885301 German. No abstract available.