TY  - RPRT
TI  - Peptides with morphine-like action in the brain.
AU  - H W Kosterlitz
AU  - J Hughes
PY  - 1977
DO  - 10.1192/bjp.130.3.298
UR  - https://pubmed.ncbi.nlm.nih.gov/14762/
ID  - 14762
ER  -