@misc{indiciae81928011a921, title = {Carcinoembryonic antigen.}, author = {J Seth and C M Sturgeon and I Hanning}, year = {1988}, doi = {10.1016/s0140-6736(88)92215-5}, url = {https://pubmed.ncbi.nlm.nih.gov/2898075/}, note = {Source identifier: 2898075} }