Bush spent 35% of his time on vacation while he was in the White House. He was on Vacation for 1017 days: 487 days at Camp David 490 days at his Ranch in Texas. 40 days to Kennebunkport, Maine Obama had 26 days of vacation in his first ...
Obama's Hawaiian vacation has been one big photo-op. There are the photos of him walking along the beach with his daughters. There are the photos of him with his children, eating shaved ice. The many photos of Obama with his children ...
Grayson (1996) investigated a large sample (880000 with 11.17 million p-yrs) of US Air Force personnel, some of whom were occupationally exposed to EMR and ionizing radiation, with exposure assessed through a job exposure survey. ...
