автор: William J. Stackhouse

Vitamin D is a group of fat-soluble prohormones, the two major forms of which are vitamin D2 (or ergocalciferol) and vitamin D3 (or cholecalciferol). Vitamin D obtained from sun exposure, food, and s …

The United States Government Accountability Office (GAO) and others have highlighted the need for an adequate and qualified nurse workforce to provide quality and timely care to veterans. The Departm …