title: Biological markers for depressive illness.
mesh_terms: D003866:Depressive Disorder / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000378:metabolism; D012701:Serotonin / Q000378:metabolism; D013973:Thyrotropin-Releasing Hormone / Q000378:metabolism
chemical_list: D012701:Serotonin; D013973:Thyrotropin-Releasing Hormone