title: Radioimmunoassay determination of the absolute oral bioavailabilities and O-demethylation of codeine and hydrocodone in the dog.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D000918:Antibody Specificity; D001682:Biological Availability; D003061:Codeine / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000378:metabolism*; D003429:Cross Reactions; D003640:Dealkylation; D004285:Dogs; D006853:Hydrocodone / Q000008:administration & dosage / Q000378:metabolism*; D011863:Radioimmunoassay
chemical_list: D006853:Hydrocodone; D003061:Codeine