“An Unusual Findings of Elevated Urinary Copper Excretion in a Patient with Subacute Sclerosing Panencephalitis (SSPE): A Case Report”, J. Natl Inst. Neurosci Bangladesh, vol. 3, no. 2, pp. 113–115, May 2018, doi: 10.3329/jninb.v3i2.36777.