title: Coming to a head.
mesh_terms: D000779:Anesthetics, Local / Q000008:administration & dosage / Q000627:therapeutic use; D000818:Animals; D006801:Humans; D007271:Injections, Intradermal; D008012:Lidocaine / Q000008:administration & dosage / Q000627:therapeutic use; D011343:Procaine / Q000008:administration & dosage / Q000031:analogs & derivatives / Q000627:therapeutic use; D012373:Rocky Mountain Spotted Fever / Q000451:nursing*; D013987:Ticks / Q000187:drug effects*
chemical_list: D000779:Anesthetics, Local; D011343:Procaine; C004616:chloroprocaine; D008012:Lidocaine