Firsov, A A Methods for estimating drug bioavailability parameters. Part 1: Concept of biological availability and methods for estimating the extent of systemic absorption. [electronic resource] - Die Pharmazie May 1986 - 313-9 p. digital Publication Type: Journal Article ISSN: 0031-7144 Subjects--Topical Terms: AnimalsBiological AvailabilityHumansIntestinal AbsorptionKineticsModels, BiologicalPharmaceutical Preparations--metabolism