Two research papers published in 2002 by Hiroaki Kitano.
Kitano, H. (2002). Systems biology: a brief overview. Science (New York, N.Y.), 295(5560), 1662–4. https://doi.org/10.1126/science.1069492
Kitano, H. (2002). Computational systems biology. Nature, 420(6912), 206–210. https://doi.org/10.1038/nature01254
What is systems biology?