TY  - RPRT
TI  - Problems in performing a double-blind multicenter study using a hypnotic in private practice.
AU  - W Fischer
AU  - W Haase
AU  - E Rüther
AU  - P Clarenbach
AU  - G Hajak
PY  - 1992
UR  - https://pubmed.ncbi.nlm.nih.gov/1490788/
ID  - 1490788
ER  -