TY  - RPRT
TI  - Nighttime versus daytime hypnotic self-administration.
AU  - Timothy Roehrs
AU  - Alicia Bonahoom
AU  - Bonita Pedrosi
AU  - Frank Zorick
AU  - Thomas Roth
PY  - 2002
DO  - 10.1007/s00213-002-1041-2
UR  - https://pubmed.ncbi.nlm.nih.gov/11981593/
ID  - 11981593
ER  -