title: Serum lidocaine and MEGX concentrations after pharyngeal anesthesia for gastroscopy.
mesh_terms: D000772:Anesthesia, Local; D000779:Anesthetics, Local / Q000008:administration & dosage / Q000097:blood* / Q000378:metabolism; D005773:Gastroscopy; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage / Q000097:blood* / Q000378:metabolism; D010614:Pharynx
chemical_list: D000779:Anesthetics, Local; D008012:Lidocaine