title: A study on the relationship between suicidal thoughts and other symptoms in depressive illness.
mesh_terms: D000328:Adult; D000368:Aged; D003863:Depression / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006167:Guilt; D006801:Humans; D008297:Male; D008875:Middle Aged; D011596:Psychomotor Disorders / Q000150:complications; D007319:Sleep Initiation and Maintenance Disorders / Q000150:complications; D013405:Suicide