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Yu, M. C.; Chen, J. H.; Lai, C. Y.; Han, C. Y.; Ko, W. C. (2009). "Luteolin, a non-selective competitive inhibitor of phosphodiesterases 1-5, displaced [(3)H]-rolipram from high-affinity rolipram binding sites and reversed xylazine/ketamine-induced anesthesia". European Journal of Pharmacology. 627 (1–3): 269–275. doi:10.1016/j.ejphar.2009.10.031. PMID19853596.
Lelkes Z, Alföldi P, Erdos A, Benedek G (1998). "Rolipram, an antidepressant that increases the availability of cAMP, transiently enhances wakefulness in rats". Pharmacology Biochemistry and Behavior. 60 (4): 835–9. doi:10.1016/S0091-3057(98)00038-0. PMID9700966. S2CID37020086.
Beal, MF; Cleren, C; Calingasan, NY; Yang, L; Klivenyi, P; Lorenzl, S (2005). "Oxidative Damage in Parkinson's Disease". U.S. Army Medical Research and Material Command Fort Detrick, Maryland 21702-5012. Archived from the original on May 23, 2012.