S. Tour Savadkouhi, N. Roghanizad, M. Aghabeigi, S. Sangchouli, F. Khajavi, and Z. Khalilak, “Assessment the bacterial leakage of four endodontic root canal sealers using fresh human saliva, an ex vivo study”, Iran Endod J, vol. 15, no. 2, pp. 106–110, May 2020.