D. Huh, G. A. Hamilton, and D. E. Ingber, From 3D cell culture to organs-on-chips, Trends Cell Biol, 2011.

T. Kietzmann, Metabolic zonation of the liver: The oxygen gradient revisited, Redox Biol, p.622, 2017.

S. Matsumoto, E. Leclerc, T. Maekawa, H. Kinoshita, M. Shinohara et al., Integration of an oxygen sensor into a polymethylsiloxane hepatic culture for two-dimensional gradient characterization, Sensors and Actuators B: Chemical, p.1062, 2018.