Administration, CutaneousSkin AbsorptionTransdermal PatchPhonophoresisDrug Delivery SystemsNeedlesEmulsionsLecithinsPharmaceutical VehiclesChemistry, PharmaceuticalRats, HairlessSkin Irritancy TestsDiffusion Chambers, CultureSkinIontophoresisDrug CompoundingPermeabilityDrug CarriersTechnology, PharmaceuticalAntiplatyhelmintic AgentsGelsExcipientsDelayed-Action PreparationsDiclofenacMice, HairlessMyristatesAdhesivesPoloxamerPharmaceutical PreparationsViscosityProdrugsSolubilityParticle SizeDrug StabilityMonoterpenesSurface-Active AgentsNanoparticlesSwineMicroinjectionsDelivery, ObstetricAdministration, TopicalDiffusionBiological AvailabilityEpidermisFentanylHydrophobic and Hydrophilic InteractionsAnti-Inflammatory Agents, Non-SteroidalNitroglycerinRats, WistarEstrogen Replacement TherapyNicotineRats, Sprague-DawleyAdministration, OralScopolamine HydrobromideDydrogesteroneAnalgesics, OpioidPregnancyDouble-Blind MethodNorprogesteronesCesarean SectionDelivery of Health CareGene Transfer TechniquesPostmenopauseDermabrasionDosage FormsTobacco Use Cessation ProductsEstradiolInsulin, Regular, PorkUltrasonicsEthisteroneTrazodoneEstrogensSmoking CessationPolymersLiposomesCross-Over Studies