Yenni Aryaneta, Angga Putri, Eryati Darwin, Arni Amir, Chablullah Wibisono. (2021). Effect of Tryptophan Administration on Luteinizing Hormone Levels and Number of Leydig Cells. Annals of the Romanian Society for Cell Biology, 5286–5293. Retrieved from https://www.annalsofrscb.ro/index.php/journal/article/view/699