@misc{indiciaed0ecf87d40fa, title = {Biorhythms: fact or superstition?}, author = {D K Winstead and B D Schwartz and W E Bertrand}, year = {1981}, doi = {10.1176/ajp.138.9.1188}, url = {https://pubmed.ncbi.nlm.nih.gov/7270722/}, note = {Source identifier: 7270722} }