@misc{indiciaeadaeb36efbd8, title = {[Comments on so-called "chronic" and "therapy refractory" depression].}, author = {E Krüger and M Nitzsche and J Kühn and L P Sasse and G Nitzsche}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/3237880/}, note = {Source identifier: 3237880} }