Mesh : Anesthesia, Local / methods standards Anesthetics, Local / administration & dosage pharmacokinetics Dose-Response Relationship, Drug Drug Administration Schedule Half-Life Humans Lidocaine / administration & dosage pharmacokinetics Mohs Surgery / adverse effects Pain, Procedural / etiology prevention & control Practice Guidelines as Topic Skin Neoplasms / surgery Time Factors United States United States Food and Drug Administration / standards