@article{kojima_kugenuma_oyobe_lizuka_ikekita_1997, 
  title={Suppressive Effect of Tetrahydrobiopterin on L-β-( 3,4-Dihydroxyphenyl) alanine-Induced Cytotoxicity in PC-12 Cells}, 
  DOI={10.1515/pteridines.1997.8.1.10}, 
  publisher={Walter de Gruyter GmbH}, 
  author={Kojima and Kugenuma and Oyobe and lizuka and Ikekita}, 
  year={1997}
  }