Perbowo, Adrianto Prasetyo, et al. “Collagen Type I and Type II Expression Evaluation on Cartilage Defect Regeneration Treated With Dwikora–Ferdiansyah–Lesmono–Purwati (DFLP) Scaffold Supplemented With Adipose–Derived Stem Cells (ASCs) or Secretome: An In-Vivo Study”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, vol. 4, no. 2, July 2020, pp. 225-3, doi:10.30651/jqm.v4i2.4377.