Islam, Ariful, Yamin Shahriar Chowdhury, Sheikh Azimul Haq, Narayan Chandra Saha, and Nazmul Haque. “An Unusual Findings of Elevated Urinary Copper Excretion in a Patient With Subacute Sclerosing Panencephalitis (SSPE): A Case Report”. Journal of National Institute of Neurosciences Bangladesh 3, no. 2 (May 26, 2018): 113–115. Accessed May 21, 2022. https://www.banglajol.info/index.php/JNINB/article/view/36777.