TY - RPRT TI - Restricted pulmonary function in cystic fibrosis. AU - A L Ries AU - G Sosa AU - L Prewitt AU - P J Friedman AU - I R Harwood PY - 1988 DO - 10.1378/chest.94.3.575 UR - https://pubmed.ncbi.nlm.nih.gov/3409739/ ID - 3409739 ER -