@misc{indiciaea4c70eca4314, title = {Dispositional optimism and open-label placebo responses in hair cortisol concentrations and psychological distress-A randomized controlled trial.}, author = {Carolin Liedtke and Michael Schaefer and S\&\#xf6;ren Enge}, year = {2026}, doi = {10.1111/aphw.70217}, url = {https://pubmed.ncbi.nlm.nih.gov/42713701/}, note = {Source identifier: 42713701} }