title: A modification of a method for the evaluation of topical anaesthesia in the earthworm.
mesh_terms: D000772:Anesthesia, Local; D000779:Anesthetics, Local / Q000494:pharmacology / Q000633:toxicity; D000818:Animals; D000845:Annelida; D001566:Benzocaine / Q000494:pharmacology* / Q000633:toxicity; D006851:Hydrochloric Acid / Q000494:pharmacology; D008012:Lidocaine / Q000494:pharmacology* / Q000633:toxicity; D012996:Solutions / Q000494:pharmacology
chemical_list: D000779:Anesthetics, Local; D012996:Solutions; D008012:Lidocaine; D006851:Hydrochloric Acid; D001566:Benzocaine