TY - GEN AU - Gawda,Ryszard AU - Czarnik,Tomasz TI - A systematic approach to ultrasound-guided central venous catheter placement-desirable modifications SN - 1466-609X PY - 2018///0509 KW - Catheterization, Central Venous KW - Central Venous Catheters KW - Humans KW - Ultrasonography KW - Ultrasonography, Interventional N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1186/s13054-017-1877-9 ER -