@misc{indiciae70bb897338f9, title = {Plasma-nortriptyline levels in depression.}, author = {A E Rifkin and F M Quitkin and D F Klein}, year = {1973}, doi = {10.1016/s0140-6736(73)90580-1}, url = {https://pubmed.ncbi.nlm.nih.gov/4122613/}, note = {Source identifier: 4122613} }