RT Journal Article SR Electronic T1 The Inspiratory Flow-Volume Curve: The Neglected Child of Pulmonary Diagnostics JF Respiratory Care FD American Association for Respiratory Care SP 448 OP 449 VO 54 IS 4 A1 Gregg L Ruppel YR 2009 UL http://rc.rcjournal.com/content/54/4/448.abstract AB