@misc{indiciae4ec07987ce9a, title = {Is the credentialing study an all or nothing proposal.}, author = {E S Schrader}, year = {1980}, doi = {10.1016/s0001-2092(07)69946-3}, url = {https://pubmed.ncbi.nlm.nih.gov/6898152/}, note = {Source identifier: 6898152} }