Konstantopoulou M, Belgi A, Griffiths K, Seale J, Macfarlane A (2005). „Azathioprine-induced pancytopenia in a patient with pompholyx and deficiency of erythrocyte thiopurine methyltransferase.”. BMJ330 (7487), 350-1. o. PMID15705694.
Woodroffe R, Yao G, Meads C, Bayliss S, Ready A, Raftery J, Taylor R (2005). „Clinical and cost-effectiveness of newer immunosuppressive regimens in renal transplantation: a systematic review and modelling study.”. Health Technol Assess9 (21), 1-194. o. PMID15899149.
