TY  - RPRT
TI  - Endogenous opioids and cyclic AMP.
AU  - M Wollemann
PY  - 1981
DO  - 10.1016/0301-0082(81)90010-1
UR  - https://pubmed.ncbi.nlm.nih.gov/6269146/
ID  - 6269146
ER  -