F. Bdaiwi, L., L. A. Al-Helaly, and S. S. Saleh. “Isolation of Acetylcholinesterase Enzyme from Cerebrospinal Fluid of Healthy and Hydrocephalus Disease Patients’ Children in Mosul City”. Rafidain Journal of Science, vol. 27, no. 4, Dec. 2018, pp. 374-87, doi:10.33899/rjs.2018.159372.