Media type: E-Article Title: Critical Role for Tetrahydrobiopterin Recycling by Dihydrofolate Reductase in Regulation of Endothelial Nitric-oxide Synthase Coupling Contributor: Crabtree, Mark J.; Tatham, Amy L.; Hale, Ashley B.; Alp, Nicholas J.; Channon, Keith M. Published: Elsevier BV, 2009 Published in: Journal of Biological Chemistry, 284 (2009) 41, Seite 28128-28136 Language: English DOI: 10.1074/jbc.m109.041483 ISSN: 0021-9258 Origination: Footnote: Access State: Open Access