Original Paper - Full-length version
Comparison of two self-rating scales to detect depression: HADS and PHQ-9
Maja Hansson, Jayanti Chotai, Annika Nordstöm and Owe Bodlund
British Journal of General Practice 2009; 59 (566): e283-e288. DOI: https://doi.org/10.3399/bjgp09X454070