drug formulation 7 drug delivery system 5 priority journal 5 nonhuman 4 Article 3 Nanoparticles 3 chemistry 3 drug release 3 human 3 nanoparticle 3 Administration, Inhalation 2 Antineoplastic Agents 2 Chemistry, Pharmaceutical 2 Drug Delivery Systems 2 Drug Liberation 2 Emulsions 2 Humans 2 Nanoemulsion 2 alcohol 2 animal experiment 2 antineoplastic agent 2 article 2 controlled study 2 dispersity 2 drug effects 2 drug safety 2 drug solubility 2 emulsion 2 fluorouracil 2 in vitro study 2