Anesthesia, Closed-CircuitAnesthesia, GeneralAnesthesiaAnesthesia, LocalAnesthesia, EpiduralAnesthesia, SpinalAnesthesia, InhalationAnesthesia, ConductionAnesthesia, IntravenousAnesthesia, ObstetricalAnesthesia Recovery PeriodAnesthesia, DentalAnesthetics, InhalationAnesthetics, IntravenousAdjuvants, AnesthesiaPropofolAnesthesiologyMethyl EthersIsofluraneAnesthetics, LocalAnesthetics, CombinedAnestheticsMonitoring, IntraoperativeNitrous OxideHalothaneLidocaineFentanylAnesthetics, GeneralBupivacaineKetamineAmbulatory Surgical ProceduresPreanesthetic MedicationNerve BlockThiopentalAnesthesia, CaudalNerve Net