TY  - RPRT
TI  - Study subjects and ordinary patients.
AU  - R Dowd
AU  - R R Recker
AU  - R P Heaney
PY  - 2000
DO  - 10.1007/s001980070097
UR  - https://pubmed.ncbi.nlm.nih.gov/10982170/
ID  - 10982170
ER  -