TY  - RPRT
TI  - Problems in data management when studying chronic illness.
AU  - C F Starmer
AU  - D A Smith
AU  - J S Wells
AU  - B C Wright
PY  - 1981
DO  - 10.1007/bf02222145
UR  - https://pubmed.ncbi.nlm.nih.gov/7320663/
ID  - 7320663
ER  -