Ren Ren F F Ma Ma Y Y Zhu Zhu X X Guo Guo R R Wang Wang J J He He L L Pharmacogenetic association of bi- and triallelic polymorphisms of SLC6A4 with antidepressant response in major depressive disorder Pharmacogenetic association of bi- and triallelic polymorphisms of SLC6A4 with antidepressant response in major depressive disorder J Affect Disord J Affect Disord 2020 2020 273 273 254 254 264 264 10.1016/j.jad.2020.04.058 10.1016/j.jad.2020.04.058 supplied-pmid 32421611? Here, SLC6A4 is linked to major depressive disorder.