Mastuti, S. et al. 2017. Nigella Sativa Seed Extract Ointment Increasing the Amount of Healing Fibroblast and Collagen on Balb/C Mice. Sains Medika: Jurnal Kedokteran dan Kesehatan. 8, 1 (Apr. 2017), 15–19. DOI:https://doi.org/10.30659/sainsmed.v8i1.1006.