Letter: Topical anesthesia and swallowing.
D000287:Administration, Topical; D000368:Aged; D000777:Anesthetics; D003680:Deglutition Disorders / Q000139:chemically induced*; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage* / Q000009:adverse effects; D008297:Male
D000777:Anesthetics; D008012:Lidocaine