SABARA, D. M.; DUNNE, J. S.; PEDRO, A. Q.; TRIFUNOVIĆ, J.; Balogun5. I.; KOTLICIC, O.; SERRANO, A.; KERTÉSZ, I. Spectroscopic studies of naproxen and tryptophan immobilized in polyvinyl alcohol. Biotechnology and Food Science, v. 75, n. 1, p. 39-49, 30 Jun. 2011.