J. A. Acosta Rueda PhD, D. M. Estupiñán Torres, G. K. Reyes Guevara, and L. Sánchez Lerna, “Present Anaerobic Bacteria in Gingival Sulcus of Patients With Fixed Partial Dentures”, NOVA, vol. 6, no. 9, pp. 14–19, Jun. 2008, doi: 10.22490/24629448.391.