TY  - RPRT
TI  - Problems with ensuring a double blind.
AU  - S Kumar
AU  - M Oakley-Browne
PY  - 2001
DO  - 10.4088/jcp.v62n0413b
UR  - https://pubmed.ncbi.nlm.nih.gov/11379846/
ID  - 11379846
ER  -