Removing cockroaches from the auditory canal: controlled trial.
D000818:Animals; D003058:Cockroaches; D004424:Ear Canal; D005547:Foreign Bodies / Q000628:therapy*; D006801:Humans; D008012:Lidocaine / Q000494:pharmacology*; D008899:Mineral Oil / Q000494:pharmacology
D008899:Mineral Oil; D008012:Lidocaine