Singer, O; McCune, WJ (May 2017). "Update on maintenance therapy for granulomatosis with polyangiitis and microscopic polyangiitis". Current Opinion in Rheumatology. 29 (3): 248–253. doi:10.1097/BOR.0000000000000382. PMID28306595.
drugs.com
"Azathioprine". The American Society of Health-System Pharmacists. Diarsipkan dari versi asli tanggal 20 August 2016. Diakses tanggal 8 December 2016.
Singer, O; McCune, WJ (May 2017). "Update on maintenance therapy for granulomatosis with polyangiitis and microscopic polyangiitis". Current Opinion in Rheumatology. 29 (3): 248–253. doi:10.1097/BOR.0000000000000382. PMID28306595.
web.archive.org
"Azathioprine". The American Society of Health-System Pharmacists. Diarsipkan dari versi asli tanggal 20 August 2016. Diakses tanggal 8 December 2016.