[The potentiating effect of a new alpha-adrenergic blocking agent (E-643) on the action of bronchodilators (author's transl)].
D000317:Adrenergic alpha-Antagonists / Q000494:pharmacology*; D000818:Animals; D001993:Bronchodilator Agents / Q000494:pharmacology*; D004357:Drug Synergism; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D011799:Quinazolines / Q000494:pharmacology*; D014132:Trachea / Q000187:drug effects*
D000317:Adrenergic alpha-Antagonists; D001993:Bronchodilator Agents; D011799:Quinazolines