title: Newer physicochemical methods useful in bioavailability studies.
mesh_terms: D001702:Biopharmaceutics; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002849:Chromatography, Gas; D004563:Electrochemistry; D013058:Mass Spectrometry; D008970:Molecular Weight; D004364:Pharmaceutical Preparations / Q000097:blood / Q000652:urine; D011863:Radioimmunoassay; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet; D014316:Tritium
chemical_list: D004364:Pharmaceutical Preparations; D014316:Tritium