Zellner, M., Graf, A., Zehetmayer, S., Winkler, W., Staes, A., Gevaert, K., Vandekerckhove, J., Marchetti-Deschmann, M., Miller, I., Bauer, P., Allmaier, G., & Oehler, R. (2012). How many spots with missing values can be tolerated in quantitative two-dimensional gel electrophoresis when applying univariate statistics? Journal of Proteomics, 75(6), 1792–1802. https://doi.org/10.1016/j.jprot.2011.12.019