@misc{indiciae5240a162de85, title = {An attempt to validate Akiskal's classification of chronic depression using cluster analysis.}, author = {G D Schrader}, doi = {10.1016/s0010-440x(95)90115-9}, url = {https://pubmed.ncbi.nlm.nih.gov/7497708/}, note = {Source identifier: 7497708} }