TY  - RPRT
TI  - A methodology using subjective responses to discriminate between pharmaceutical preparations.
AU  - S M Free
AU  - M Guthrie
DO  - 10.1002/j.1552-4604.1968.tb00266.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5241339/
ID  - 5241339
ER  -