TY  - RPRT
TI  - Research methodology.
AU  - Warren R Dunn
AU  - Stephen Lyman
AU  - Robert Marx
AU  - ISAKOS Scientific Committee
PY  - 2003
DO  - 10.1016/s0749-8063(03)00705-9
UR  - https://pubmed.ncbi.nlm.nih.gov/14551552/
ID  - 14551552
ER  -