For citations:
Rubtsov E.I., Juraeva Sh.F., Kholikova A.A., Bobokalonov R.V. The frequency of the development of a maxillary odontogenic sinusitis acording to various sings and standarts. Endodontics Today. 2020;18(2):29-33. (In Russ.) https://doi.org/10.36377/1683-2981-2020-18-2-29-33