AUTHOR=Thakkar Karan , Mhatre Suyog , Jadhav Manish , Goswami Sailendra , Shah Rajen TITLE=Pharmacokinetic studies for proving bioequivalence of orally inhaled drug products—critical issues and concepts JOURNAL=Frontiers in Pharmacology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2015.00117 DOI=10.3389/fphar.2015.00117 ISSN=1663-9812