@article{201907.0293, doi = {10.20944/preprints201907.0293.v1}, url = {https://doi.org/10.20944/preprints201907.0293.v1}, year = 2019, month = {July}, publisher = {Preprints}, author = {Denitsa Simeonova and Drozdstoy Stoyanov and Jean–Claude Leunis and Andre F. Carvalho and Marta Kubera and Marianna Murdjeva and Michael Maes}, title = {Increased Serum Immunoglobulin Responses to Gut Commensal Gram-Negative Bacteria in Unipolar Major Depression and Bipolar Disorder Type 1, Especially When Melancholia is Present}, journal = {Preprints} }