BCS	Biopharmaceutics Classification System
BE	Bioequivalence
PBPK	Physiologically based pharmacokinetic modeling
HBSS	Hanks’ balanced salt solution
ESI	Electrospray ionization
PET/CT	Positron emission tomography/computed tomography
CMS-Na	Sodium carboxymethyl starch
HPMC	Hydroxypropyl methylcellulose
LC-MS/MS	Liquid chromatography/tandem mass spectrometry
Cmax	Peak plasma concentration
AZT	Zidovudine
API	Active pharmaceutical ingredient
Tmax	Time to reach Cmax
AUC0–8h	Area under the plasma concentration–time curve from time zero to 8 h
T1/2	Elimination half-life
AUC0–∞	Area under the plasma concentration–time curve from time zero to infinity
SOP	Standard of Practice
%ID/g	The percentage of injected dose per gram of tissue
TEER	Transepithelial electrical resistance
PBBM	Physiologically based biopharmaceutics modeling
P-gp	P-glycoprotein
BCRP	Breast cancer resistance protein
T½_g	Gastric half-emptying time