@misc{indiciae40f9e25bb244, title = {Feedback technique for deep relaxation.}, author = {E E Green and E D Walters and A M Green and G Murphy}, year = {1969}, doi = {10.1111/j.1469-8986.1969.tb02915.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5353386/}, note = {Source identifier: 5353386} }