Source: https://www.researchgate.net/profile/MATHIEU_GUNEPIN/publication/263356975_Determination_de_la_periodicite_des_visites_dentaires_au_sein_des_armees_Recall_intervals_between_dental_fitness_examinations_among_the_French_Armed_Forces/links/53e8d08b0cf21cc29fdca153/Determination-de-la-periodicite-des-visites-dentaires-au-sein-des-armees-Recall-intervals-between-dental-fitness-examinations-among-the-French-Armed-Forces.pdf