NADHIRA KARTIKA Y; M FAKHRI RAIYAN PRATAMA; BIDARI KAMESWARI; BRAMADI NUGROHO; SISWI OKTARIANI. High-dose methotrexate therapy for primary central nervous system lymphoma: a practical approach amid limitations in toxicity monitoring – a case report. Indonesian Journal of Biomedicine and Clinical Sciences, v. 57, n. 3, p. 52-53, 9 Sep. 2025.