AtenololTabletsTablets, Enteric-CoatedPropanolaminesAdrenergic beta-AntagonistsChemistry, PharmaceuticalExcipientsDelayed-Action PreparationsMetoprololDrug CompoundingAdrenergic beta-1 Receptor AntagonistsPropranololTechnology, PharmaceuticalHeart RateMethylcelluloseDouble-Blind MethodPowdersAntihypertensive AgentsBetaxololPindololHypertensionBlood PressureSolubilityBendroflumethiazideAdministration, OralHardnessHydrochlorothiazideOxprenololClinical Trials as TopicCross-Over StudiesCeliprololNifedipineButoxamineAcebutololDrug Therapy, CombinationLubricantsAmlodipineReceptors, Adrenergic, betaDrug StabilityBiological AvailabilityDosage FormsNadololTherapeutic EquivalencyCapsulesLabetalolRandom AllocationDoxazosinCellulosePovidonePhysical ExertionHardness TestsPulseAdministration, BuccalReceptors, Adrenergic, beta-1