The Pap test is generally used as a screening test. A certain percentage of abnormalities in women may go undetected with a single Pap test, which is why it is important to have Pap test done regularly. A significant limitation of the test has to do with sample collection.
Overview of Backstairs at the White House, 1979, with Olivia Cole, Leslie Uggams, Louis Gossett, at Turner Classic Movies
This was the original Shark, or XP-755 (front car, picture below). The XP-755 was designed and the prototype was built in the beginning of 1961. Bill Mitchell was very excited about the double-bubble roof (above), the side pipes and the periscope rearview mirror.