@misc{indiciaebf452a16571a, title = {Is there a circulating human thymic factor that induces cyclic AMP synthesis?}, author = {G H Sunshine and R G Coffey and J W Hadden}, year = {1978}, doi = {10.1038/271665a0}, url = {https://pubmed.ncbi.nlm.nih.gov/203861/}, note = {Source identifier: 203861} }