Shahid, Riaz Ahmed Spirometric reference values (FVC, FEV1, FEV1/FVC,PEFR) of the adult population (18-50 years) of Karachi, Pakistan / by Riaz Ahmed Shahid ; supervised by Zeenat Ayoob - Karachi 2014 ISBN: 9789696850014 Subjects--Topical Terms: Doctor of PhilosophyPhysiology