Vinod Gunasekaran, Suresh Chelliah, and Duraisamy Senguttuvan. “High Dose Methotrexate in Children With Cancer Without Drug Level Monitoring – 133 Cycles Experience”. Kauverian Medical Journal, vol. 1, no. 1, Nov. 2023, pp. 16-20, https://kauverianjournal.com/index.php/research/article/view/8.