K. A. Nugroho, K. Abraha, and N. ., “The Mechanism of Erythrocytes Aggregation in EDTA-Blood of Ovarian Cancer Patients Viewed by Coulomb’s Law”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 7, no. 6, pp. 2175–2182, Dec. 2017.