article_metadata: Ekaterina Diachkova Elena Morozova Natalia Blagushina Svetlana Tarasenko
article_metadata: 10.1155/2020/8874227
article_metadata: Case Rep Dent
article_metadata: 2020 Oct 27;2020:8874227.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/33194234/
article_metadata: Case Reports
article_metadata: PMC7641717
article_metadata: 33194234
article_metadata: The Modified Caldwell-Luc Approach with the Use of Collagen Material for Treatment of a Chronic Perforated Maxillary Sinusitis
article_metadata: 2020