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13. [On the effect of a broncholytic-bronchosecretolytic combination preparation (N67c-AST) on the mechanics of resporation, respiration volumens and symptomatology in bronchitic syndrome]. Breuer H, Kösters W, Kluthe R. Med Welt; 1967 Sep 23; 38():2244-9. PubMed ID: 5614954 [No Abstract] [Full Text] [Related]
15. Theophylline and ephedrine in asthma. Lyons HA, Thomas JS, Steen SN. Curr Ther Res Clin Exp; 1975 Oct 23; 18(4):573-7. PubMed ID: 810318 [No Abstract] [Full Text] [Related]
18. A re-evaluation of ephedrine/theophylline combinations in the treatment of asthma. Caplin I, Haynes JT. J Indiana State Med Assoc; 1978 May 23; 71(5):492-5. PubMed ID: 649972 [No Abstract] [Full Text] [Related]