@misc{indiciae8c690207719c, title = {Quality-control schemes in pathology.}, author = {P N Edmunds and J D Barrie}, year = {1977}, doi = {10.1016/s0140-6736(77)92747-7}, url = {https://pubmed.ncbi.nlm.nih.gov/68304/}, note = {Source identifier: 68304} }