@misc{indiciae4d833c275297, title = {A method for measuring depression: validity studies on a depression questionnaire.}, author = {I Pilowsky and D Spalding}, year = {1972}, doi = {10.1192/bjp.121.4.411}, url = {https://pubmed.ncbi.nlm.nih.gov/5077098/}, note = {Source identifier: 5077098} }