TY  - RPRT
TI  - A research registry: uses, development, and accuracy.
AU  - L L Roos
AU  - J P Nicol
PY  - 1999
DO  - 10.1016/s0895-4356(98)00126-7
UR  - https://pubmed.ncbi.nlm.nih.gov/9973072/
ID  - 9973072
ER  -