title: Estimation of procaine in urine of horses.
mesh_terms: D000818:Animals; D002849:Chromatography, Gas; D006736:Horses / Q000652:urine*; D006863:Hydrogen-Ion Concentration; D007273:Injections, Intramuscular; D008297:Male; D010402:Penicillin G Procaine / Q000008:administration & dosage; D011343:Procaine / Q000008:administration & dosage / Q000652:urine*
chemical_list: D010402:Penicillin G Procaine; D011343:Procaine