^Ortiz DM, Custodio RJ, Abiero A, Botanas CJ, Sayson LV, Kim M, Lee HJ, Kim HJ, Jeong Y, Yoon S, Lee YS, Cheong JH (November 2020). "The dopaminergic alterations induced by 4-F-PCP and 4-Keto-PCP may enhance their drug-induced rewarding and reinforcing effects: Implications for abuse". Addiction Biology. 26 (4): e12981. doi:10.1111/adb.12981. PMID33135332. S2CID226234538.