TY  - RPRT
TI  - Enkephalin receptor changes in rat brain during aging.
AU  - V V Petkov
AU  - V D Petkov
AU  - T Grahovska
AU  - E Konstantinova
PY  - 1984
DO  - 10.1016/0306-3623(84)90204-0
UR  - https://pubmed.ncbi.nlm.nih.gov/6098514/
ID  - 6098514
ER  -