TY  - RPRT
TI  - Clinical research: impossible or possible?
AU  - C B Novak
AU  - S E Mackinnon
DO  - 10.1016/s0894-1130(00)80009-5
UR  - https://pubmed.ncbi.nlm.nih.gov/10966146/
ID  - 10966146
ER  -