A Susceptible-Infectious (SI) model with two infective stages and an endemic equilibrium. - Semra Ahmetolan; Ayse Hümeyra Bilge; Ali Demirci; Ayse Peker Dobie (Math. Comput. Simul., 2022)

Hopf bifurcation in the shadow of extinction: Collaborating with epidemic dynamics through lethal mutations and declining ancestor infections. - Ali Demirci; Ayse Peker Dobie; Cihangir Özemir; Semra Ahmetolan (Biosyst., 2025)