Pathological drainage of the right superior vena cava into the left atrium diagnosed in a 37-year-old patient in postpartum period: a case report - Krysiak-Neneman, Katarzyna; Stefańska-Wronka, Karina; Galicki, Jacek; Miszczak-Śmiałek, Jolanta; Matuszewski, Łukasz (Anestezjologia Intensywna Terapia, 2017)