@article{iijima_ishige_kubota_2020,  title={Clinical Application of Liquid Chromatography Tandem Mass Spectrometry Using Dried Blood Spot as a More Rapid Method for Determination of Methylmalonic Acid, Propionylcarnitine, and Total Homocysteine},  volume={8},  ISSN={2326-4594},  url={https://doi.org/10.1590/2326-4594-JIEMS-2019-0005},  DOI={10.1590/2326-4594-JIEMS-2019-0005},  journal={Journal of Inborn Errors of Metabolism and Screening},  publisher={Latin American Society Inborn Errors and Neonatal Screening (SLEIMPN); Instituto Genética para Todos (IGPT)},  author={Iijima, Hiroyuki and Ishige, Nobuyuki and Kubota, Mitsuru},  year={2020},  pages={e20190005} }