Hussein, Aseel Kamil, et al. “Morphometric Measurements of the Mesencephalic Aqueduct in Normal Versus Abnormal Canine Brains: In Vivo MRI Study”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 24, no. 2, Sept. 2015, pp. 391-02, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4624.