Source: https://www.researchgate.net/profile/Frederic-Courson/publication/277842671_Comprendre_les_bases_de_la_Cariologie_en_10_points_-_Partie_2/links/566d488408aea0892c524237/Comprendre-les-bases-de-la-Cariologie-en-10-points-Partie-2.pdf