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Schwartz GK, Haimovitz-Friedman A, Dhupar SK, Ehleiter D, Maslak P, Lai L, Loganzo F Jr, Kelsen DP, Fuks Z, Albino AP (1995). "Potentiation of apoptosis by treatment with the protein kinase C-specific inhibitor safingol in mitomycin C-treated gastric cancer cells". Journal of the National Cancer Institute. 87 (18): 1394–1399. doi:10.1093/jnci/87.18.1394. PMID7658500.