A comparison of the bronchodilator activity of some 1- and 7-substituted xanthines in the guinea pig.
D001980:Bronchi / Q000187:drug effects*; D001993:Bronchodilator Agents; D006168:Guinea Pigs; D014970:Xanthines / Q000494:pharmacology*
D001993:Bronchodilator Agents; D014970:Xanthines
BRONCHI/effect of drugs on; XANTHINES/effects