Prostaglandin ethanolamides (prostamides): in vitro pharmacology and metabolism. - Matias I; Chen J; De Petrocellis L; Bisogno T; Ligresti A; Fezza F; Krauss AH; Shi L; Protzman CE; Li C; Liang Y; Nieves AL; et al. (The Journal of pharmacology and experimental therapeutics, 2004)