TY  - RPRT
TI  - Evaluating drug trials unseen.
AU  - R J Reiffenstein
PY  - 1969
DO  - 10.1016/s0140-6736(69)91383-x
UR  - https://pubmed.ncbi.nlm.nih.gov/4179253/
ID  - 4179253
ER  -