Pirhonen, Arola, Sädevirta, Luukkonen, Karppinen, Pihlajaniemi, Isomäki, Hukkanen, Yki-Järvinen, Ikonen, 2016. Continuous Grading of Early Fibrosis in NAFLD Using Label-Free Imaging: A Proof-of-Concept Study 11.. https://doi.org/10.1371/journal.pone.0147804