title: Topical anesthesia for myringotomy.
mesh_terms: D000772:Anesthesia, Local; D004121:Dimethyl Sulfoxide / Q000009:adverse effects / Q000494:pharmacology*; D006801:Humans; D010033:Otitis Media / Q000601:surgery; D010146:Pain; D010539:Permeability; D012869:Skin Absorption / Q000187:drug effects*; D013748:Tetracaine / Q000494:pharmacology*; D014432:Tympanic Membrane / Q000187:drug effects / Q000601:surgery*
chemical_list: D013748:Tetracaine; D004121:Dimethyl Sulfoxide