TY  - RPRT
TI  - Depression is complex and heterogeneous.
AU  - J H Ellard
PY  - 2001
DO  - 10.5694/j.1326-5377.2001.tb143418.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11419782/
ID  - 11419782
ER  -