TY  - RPRT
TI  - Morphine-induced hyperactivity in rats--a rebound effect?
AU  - B Magnus-Ellenbroek
AU  - U Havemann-Reinecke
PY  - 1993
DO  - 10.1007/bf00166947
UR  - https://pubmed.ncbi.nlm.nih.gov/8361550/
ID  - 8361550
ER  -