LosartanAngiotensin Receptor AntagonistsAngiotensin II Type 1 Receptor BlockersAntihypertensive AgentsBiphenyl CompoundsReceptor, Angiotensin, Type 1Angiotensin IITetrazolesImidazolesReceptor, Angiotensin, Type 2Receptors, AngiotensinEnalaprilAngiotensin-Converting Enzyme InhibitorsRenin-Angiotensin SystemBlood PressureHypertension