@misc{indiciaea190d7035f74, title = {A quantitative index for evaluating patient care with longitudinal data.}, author = {M K Chen and G L Yang}, year = {1979}, doi = {10.1093/ije/8.3.265}, url = {https://pubmed.ncbi.nlm.nih.gov/536097/}, note = {Source identifier: 536097} }