For citations:
Berdnikov R.B., Bazhenov A.V., Petkau V.V., Mal'tseva A.S., Sorokina N.D. Case of a placental site trophoblastic tumor that manifested a pulmonary hemorrhage. PULMONOLOGIYA. 2020;30(1):109-114. (In Russ.) https://doi.org/10.18093/0869-0189-2020-30-1-109-114