Al-Shimmari, Haydar A, Gareth J Noble, Richard P Hugtenbur, and Stephen S Johnston. 2019. “Analysis of Brainstem Activitywith FMRI During Low-Level of Pain- a Feasibility Study With Innocuous Cold Stimuli”. Diyala Journal of Medicine 11 (1):50-61. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/231.