Jin-Sil Yu, Hyun-Ja Jeong, Hye-Jin Kim, Hye-Young Park. “A Study on the Correlation of Oral Microorganisms of Children and Mothers in Day Care Centers”. Annals of the Romanian Society for Cell Biology (January 31, 2021): 778–785. Accessed April 25, 2024. https://www.annalsofrscb.ro/index.php/journal/article/view/170.