TetracaineDibucaineAnesthetics, LocalPrilocaineProcaineLidocaineLevallorphanAir MicrobiologyRana temporariapara-AminobenzoatesAerosol Propellants4-Aminobenzoic AcidNebulizers and VaporizersAnesthesia, SpinalAmphibian VenomsPhlebotomyAnesthesia, LocalAdministration, InhalationIophendylateParticle SizeOintmentsCalciumCaffeine