URL https://www.researchgate.net/profile/Cara_Valvona/publication/280974613/figure/fig2/AS:614168835129354@1523440669396/Lactate-dehydrogenase-LDH-homo-and-tetramer-formation-The-LDH-isoenzymes-LDH-1-LDH-2.png
URL2 https://japaneseclass.jp/trends/about/LDH