Mayasari, Dita Ayu, et al. “Evaluation of Surface Modified PLLA-Collagen Hollow Fiber As Vascular Graft”. MEDISAINS: Jurnal Ilmiah Ilmu-Ilmu Kesehatan, vol. 17, no. 2, Oct. 2019, pp. 38-42, doi:10.30595/medisains.v17i2.5259.