Generic Formulations of Commonly-used Oral Drugs in Saudi Arabia:Interchangeability & Post-marketing Quality

generic drug quality, generic formulation interchangeability, innovator formulations, generic formulations, bioequivalence, interchangeability, inter-patch variation, quality of generic drug formulations on the market, interchangeability between marketed generic formulations, prevalence of large intrasubject variability despite average bioequivalence, causes of large intrasubject variability, interventional