B. R. P. SUPRIYA, C. Ramanjulu, and N. V. Naidu, “VALIDATED STABILITY-INDICATING RP-HPLC ASSAY METHOD FOR AZATHIOPRINE IN PHARMACEUTICAL DOSAGE FORM ACCORDING TO ICH GUIDELINES”, Int J Pharm Pharm Sci, vol. 6, no. 10, pp. 301–307, Oct. 2014.