The issue focused on the following : In the United States, the National Institute of Health is the most important public research and development organization in the United States. The National Institute of Health is the most important, and the most important in the United States. The National Institute of Health is the most important and the most important in the United States. The National Institute of Health is the most important and the most important in the United States. The National Institute of Health is the most important and the most important in the United States