title: Determination of phenobarbital and p-hydroxyphenobarbital by densitometry of thin layers.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer; D003720:Densitometry; D010634:Phenobarbital / Q000031:analogs & derivatives* / Q000032:analysis*; D051381:Rats
chemical_list: D010634:Phenobarbital