TY - RPRT TI - Additional experiences with corticosteroids in COPD. AU - F W Smeenk AU - P J Klinkhamer AU - W Breed AU - A R Jansz AU - C A Jansveld PY - 1997 DO - 10.1378/chest.112.6.1715 UR - https://pubmed.ncbi.nlm.nih.gov/9404790/ ID - 9404790 ER -