Orrù, Germano, Maria Paola Contu, Eleonora Casula, Cristina Demontis, Cornelio Blus, Serge Szmukler-Moncler, Gabriele Serreli, Carla Maserati, Giorgio Carlo Steri, Vassilios Fanos, Ferdinando Coghe, and Gloria Denotti. 2017. “Periodontal Microbiota of Sardinian Children: Comparing 200-Year-Old Samples to Present-Day Ones”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 6 (1). Quartu Sant’Elena (CA, Italy):e060123. https://doi.org/10.7363/060123.