Hattan, Abdulrahman Ali, Essa Ali Hattan, Abdulaziz Maree Alqahtani, Omar Saud Alqutaym, Refdan Obeid Alqahtani, Khaled Ghormallah Alzahrani, Abdulrahman Abdullah Al-Otaibi, Omar Mufi Aldwsari, Khalid Mansour Alkhathlan, і Mohammed Abdullah Aldossari. 2018. «Impact of Tobacco Smoking on Oral Microbiota – a Case-Control Study». Медичні перспективи 23 (3):13-20. https://doi.org/10.26641/2307-0404.2018.3.147948.