@misc{indiciaeaa4ac30de5b3, title = {Xanthine oxidase during human fetal development.}, author = {K Vettenranta and K O Raivio}, year = {1990}, doi = {10.1203/00006450-199003000-00017}, url = {https://pubmed.ncbi.nlm.nih.gov/2320397/}, note = {Source identifier: 2320397} }