@misc{indiciae9b5623a1da8e,
  title = {Endogenous opioids and cyclic AMP.},
  author = {M Wollemann},
  year = {1981},
  doi = {10.1016/0301-0082(81)90010-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6269146/},
  note = {Source identifier: 6269146}
}