The 9-Item Patient Health Questionnaire (PHQ-9): an aid to assessment of patient-reported functional outcomes after spinal surgery

Autor: Tuck, Andrew N., Scribani, Melissa B., Grainger, Scott D., Johns, Celeste A., Knight, Reginald Q. *
Zdroj: In The Spine Journal August 2018 18(8):1398-1405
Databáze: ScienceDirect