For citations:
Karakhanova A.G., Bagnenko S.S., Levchenko E.V., Khandogin N.V., Shevkunov L.N. Extragonadal germ cell tumor of the mediastinum: local spread estimated by direct injection of a contrast agent into the pericardial cavity. Medical Visualization. 2023;27(2):53-61. (In Russ.) https://doi.org/10.24835/1607-0763-1184