133. DIRECT ACTION OF DRUGS ON THE BRONCHI (Continued) 

 A = active, but action complex (original literature should be consulted); C = constricts; D = dilates; I = inactive. 

 Parentheses in Columns D and F indicate action is slight, irregular, or doubtful, and the original literature should 

 be consulted. 



/I/ Including introcostrin. /2/ Including ergotine and secacornine. 



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