https://www.longdom.org/ Longdom Publishing SL specializes in digital advertising to help clients inform and attract new customers quickly and efficiently. https://www.longdom.org/global-journal-life-sciences-biological-research/current-issue.html Volume 5, Issue 2 https://www.longdom.org/articles/awards-category-in-european-dental-congress-2020.pdf Juan Rommel Medina Valdivia