Russameyoongtong, N., and K. Veerasarn. “Relationship between the number of neurosurgical ICU and hemorrhagic stroke mortality in advance level hospital in Thailand)”. Thai Journal of Neurological Surgery, vol. 13, no. 1, Oct. 2025, pp. 1-7, https://he05.tci-thaijo.org/index.php/TJNS/article/view/6734.