The effect of codeine on the peristaltic reflex of the isolated guinea-pig ileum.
D000818:Animals; D003061:Codeine / Q000494:pharmacology*; D005769:Gastrointestinal Motility / Q000187:drug effects*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects*
D003061:Codeine