Abstract:IT IS GENERALLY ACCEPTED THAT CARDIOVASCULAR HEALTH, WITH ITS ASSOCIATED INCREASE IN LONGEVITY, IS BEST MAINTAINED BY REGULAR AEROBIC EXERCISE. A COMMON AEROBIC STRATEGY IS TO ESTABLISH A TARGET HEART RATE AND THEN ATTEMPT TO EXERCISE AT AN INTENSITY THAT MAINTAINS THE HEART RATE AT THAT TARGET… more
Abstract:A MAJORITY OF VIRUSES AFFLICTING HUMANS AND LIVESTOCK HAVE RNA GENOMES WHICH ARE BELIEVED TO EXIST IN A DUPLEX A CONFORMATION DURING REPLICATION. SUCH LONG A-FORM DUPLEXES WHICH HAVE BEEN CHARACTERIZED AT ATOMIC RESOLUTION, ARE UNIQUE TO VIRUS-INFECTED CELLS (UNINFECTED CELLS HAVE ONLY SHORT A-FORM… more
There are several categories such as “By Agency”, “By Year”, “By State” etc.
Select a checkbox within a category to refine your search results.
Each of your selections is listed in the “Narrow Search Filters” bar. You can uncheck these selections to remove them.
Search for Either Criteria
When you select multiple values within a category, the results will include values that match either of the selections.
For example, selecting “2005” and “2007” in the “By Year” category will display results that include either 2005 OR 2007 in the results.
Narrowing the Search Results
You can refine your search results across categories. To narrow down your results, select multiple values across different categories. The results will only include values that match the selections across the categories.
For example, selecting “2005” in the “By Year” category and “NASA” in the “By Agency” category will only display the results that contain both “2005” AND “NASA” in the results.