Related Concepts – Access-control architectures – Formal verification – Identity management – Model-based development – Policy languages – Security policies Definition A formal method is any technique or method that aids in the construction and validation of computer-based systems and is based, in total or in part, on rigorous mathematics. Access control [8] refers to any method or mechanism by...

The limiting factor in nutritional support of the vast majority of patients is the attainment and maintenance of safe access, whether it be to the venous system for total parenteral nutrition (TPN) or to the gut for enteral nutrition. Indeed, the mainstay of nutritional support therapy is deciding the appropriate route for nutritional support and obtaining access to provide that support. Centra...

The limiting factor in nutritional support of the vast majority of patients is the attainment and maintenance of safe access, whether it be to the venous system for total parenteral nutrition (TPN) or to the gut for enteral nutrition. Indeed, the mainstay of nutritional support therapy is deciding the appropriate route for nutritional support and obtaining access to provide that support. Centra...