Scientific Concepts


vena cava thrombosis vending machines vendors venlafaxine veno-occlusive disease venography	venom venom allergy venom anaphylaxis venom components venom gland venom immunotherapy venom injection	venom protein venomous snakes venous venous access venous access devices venous air embolism venous anastomosis	venous anomalies venous approach venous blood venous blood flow venous blood samples venous cannula venous cannulation	venous catheter placement venous catheterization