@misc{indiciae341c60b518f2, title = {Letter: Selenium and neonatal death.}, author = {U M Cowgill}, year = {1976}, doi = {10.1016/s0140-6736(76)91669-x}, url = {https://pubmed.ncbi.nlm.nih.gov/56640/}, note = {Source identifier: 56640} }