@misc{indiciae43a9fbc13a9e, title = {EEG sleep profiles and recurrent depression.}, author = {D J Kupfer and C L Ehlers and E Frank and V J Grochocinski and A B McEachran}, year = {1991}, doi = {10.1016/0006-3223(91)90010-j}, url = {https://pubmed.ncbi.nlm.nih.gov/1958764/}, note = {Source identifier: 1958764} }