@misc{indiciae99b6bda68f18, title = {Heart rate variability and depression.}, author = {Andreas Birkhofer and Georg Schmidt and Hans Förstl}, year = {2006}, doi = {10.1001/archpsyc.63.9.1052-a}, url = {https://pubmed.ncbi.nlm.nih.gov/16953008/}, note = {Source identifier: 16953008} }