Boik, John C., and Balasubramanian Narasimhan. “An R Package for Assessing Drug Synergism/Antagonism”. Journal of Statistical Software 34, no. 6 (April 19, 2010): 1–18. Accessed April 27, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v034i06.