Widyantoro, Indira, Isao Hirata, and Koichi Kato. “A Dilution Method to Increase the Yield of Engineered Basic Fibroblast Growth Factor”. Dental Journal 58, no. 3 (May 10, 2025): 219–223. Accessed July 17, 2025. https://e-journal.unair.ac.id/MKG/article/view/58282.