For citations:
Chkhikvadze V.D., Nudnov N.V., Chernichenko N.V., Murzin Y.Yu., Kontorovich D.S., Susarev I.O. Observation of Synchronous Primary Multiple Carcinoid of the Trachea and Main Bronchus. Journal of oncology: diagnostic radiology and radiotherapy. 2021;4(1):94-100. (In Russ.) https://doi.org/10.37174/2587-7593-2021-4-1-94-100