@misc{indiciae94f6620a73f7, title = {Nonprotein serum nitrogen in infancy.}, author = {P Fürst and B Josephson}, year = {1967}, doi = {10.1001/archpedi.1967.02090180105009}, url = {https://pubmed.ncbi.nlm.nih.gov/6066939/}, note = {Source identifier: 6066939} }