Peters GJ, van der Wilt CL, van Moorsel CJ, Kroep JR, Bergman AM, Ackland SP (2000). „Basis for effective combination cancer chemotherapy with antimetabolites”. Pharmacol. Ther.87 (2–3): 227–53. DOI:10.1016/S0163-7258(00)00086-3. PMID11008002.
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ncbi.nlm.nih.gov
Peters GJ, van der Wilt CL, van Moorsel CJ, Kroep JR, Bergman AM, Ackland SP (2000). „Basis for effective combination cancer chemotherapy with antimetabolites”. Pharmacol. Ther.87 (2–3): 227–53. DOI:10.1016/S0163-7258(00)00086-3. PMID11008002.