Quiggins, Ranida, Kewalee Seeharach, Vipavadee Chaisuksunt, Noppadol Phasukdee, Thippawan Yasanga, and Martha E. Bickford. 2017. “The co-expressing D1–D2 neurons in the striatum of the common tree shrew (Tupaia glis)”. Biomedical Sciences and Clinical Medicine 56 (3):115-23. https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/104257.