@misc{indiciae4d4c11c7dac4, title = {Problems in data management when studying chronic illness.}, author = {C F Starmer and D A Smith and J S Wells and B C Wright}, year = {1981}, doi = {10.1007/bf02222145}, url = {https://pubmed.ncbi.nlm.nih.gov/7320663/}, note = {Source identifier: 7320663} }