title: In vitro adsorption of phenobarbital onto activated charcoal.
mesh_terms: D000327:Adsorption; D002606:Charcoal; D006863:Hydrogen-Ion Concentration; D010316:Particle Size; D010634:Phenobarbital / Q000302:isolation & purification*
chemical_list: D002606:Charcoal; D010634:Phenobarbital