@misc{indiciaeec37c3bcff85, title = {Beta-endorphin in pregnancy.}, author = {U Goebelsmann and T K Abboud and D I Hoffman and T T Hung}, year = {1984}, doi = {10.1016/0028-2243(84)90132-1}, url = {https://pubmed.ncbi.nlm.nih.gov/6376201/}, note = {Source identifier: 6376201} }