TY  - RPRT
TI  - Chronic depression in bipolar disorder.
AU  - Rif S El-Mallakh
AU  - Anoop Karippot
PY  - 2006
DO  - 10.1176/ajp.2006.163.8.1337
UR  - https://pubmed.ncbi.nlm.nih.gov/16877643/
ID  - 16877643
ER  -