
Keywords: رویداد ترومبوآمبولیک ونوس; thrombosis; peripherally inserted central catheters; central venous line; infant leukemia; ALL; Acute lymphoblastic leukemia; AML; Acute myeloid leukemia; CAT; Catheter-associated thrombosis; CVL; Central venous line; L-ASP; L-asparaginase; LMWH; Low-mole