De Caceres, Cinthia Veronica Bardalez Lopez; Vargas, Pablo Agustin; Sanchez-Romero, Celeste; Bunn, Belinda Kathleen; Van Heerden, Willem Francois Petrus; Fonseca, Felipe Paiva(Fundação Odontológica de Ribeirão Preto, 2019)
Abram, Muhammed Hanif; Van Heerden, Willem Francois Petrus; Rheeder, Paul; Girdler-Brown, B.V. (Brendan); Van Zyl, Andre W.(South African Dental Association, 2012-11)
Hunter, K.D. (Keith); Speight, Paul; Wright, John M.; Van Heerden, Willem Francois Petrus; Rich, Alison; Franklin, Christopher(Wiley-Blackwell, 2014-03)