Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shiraishi Hiroaki and Kato Taiya and Atsuta Koji and Sumi-Ichinose Chiho and Ohtsuki Masatsugu and Itoh Mitsuyasu and Hishida Hitoshi and Tada Shin and Udagawa Yasuhiro and Nagatsu Toshiharu and Hagino Yasumichi and Ichinose Hiroshi and Nomura Takahide,cGMP Inhibits GTP Cyclohydrolase I Activity and Biosynthesis of Tetrahydrobiopterin in Human Umbilical Vein Endothelial Cells,Journal of Pharmacological Sciences,13478613,The Japanese Pharmacological Society,2003,93,3,265-271,https://cir.nii.ac.jp/crid/1390001205176473600,https://doi.org/10.1254/jphs.93.265