title: Alpha- and beta-blocking activities of racemates of labetalol.
mesh_terms: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D000818:Animals; D001011:Aorta / Q000187:drug effects; D004983:Ethanolamines / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007741:Labetalol / Q000494:pharmacology*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects; D009131:Muscle, Smooth, Vascular / Q000187:drug effects; D013237:Stereoisomerism; D014132:Trachea / Q000187:drug effects; D014661:Vasoconstriction / Q000187:drug effects*
chemical_list: D000317:Adrenergic alpha-Antagonists; D000319:Adrenergic beta-Antagonists; D004983:Ethanolamines; D007741:Labetalol