URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::a3c6fd0f852b99c0ebece69580b58670https://doi.org/10.2147/ott.s219777
URL الوصول: https://explore.openaire.eu/search/publication?articleId=pmid________::2ac60a59227b2b62157a7019d7539ff1https://pubmed.ncbi.nlm.nih.gov/32021240