title: The BCS, BDDCS, and regulatory guidances.
authors.affiliation: Office of Pharmaceutical Science, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993-0002, USA. meiling.chen@fda.hhs.gov
authors.forename: Mei-Ling
authors.initials: ML
authors.lastname: Chen
authors.forename: Gordon L
authors.initials: GL
authors.lastname: Amidon
authors.forename: Leslie Z
authors.initials: LZ
authors.lastname: Benet
authors.forename: Hans
authors.initials: H
authors.lastname: Lennernas
authors.forename: Lawrence X
authors.initials: LX
authors.lastname: Yu
mesh_terms: D001702:Biopharmaceutics / Q000331:legislation & jurisprudence* / Q000592:standards*; D006801:Humans; D010539:Permeability; D014481:United States; D014486:United States Food and Drug Administration