TY - JOUR T1 - Association between hypocalcemia and rivaroxaban in coagulation disorders: a case report JO - einstein (São Paulo) A1 - Pos, Alexandre Mio A1 - Aleixo, Mateus Arruda A1 - Drummond-Lage, Ana Paula SN - 1679-4508 UL - 10.31744/einstein_journal/2020RC4819 VL - 18 Y1 - 2020 PB - Brazil ER -