TY  - RPRT
TI  - Large computer databases.
AU  - H Jick
AU  - S Jick
AU  - L E Derby
PY  - 1991
DO  - 10.1136/bmj.302.6781.912-b
UR  - https://pubmed.ncbi.nlm.nih.gov/2025747/
ID  - 2025747
ER  -