11.   A few of these are false negatives, containing cancerous cells the technologist missed.

12.   A new test that can detect several kinds of cancerous human cells was reported Monday by scientists from the Johns Hopkins School of Medicine in Baltimore.

13.   A new test that can detect several kinds of cancerous human cells was reported yesterday by scientists from the Johns Hopkins School of Medicine in Baltimore.

14.   But it collects in cancerous cells, and temporarily dyes lesions a bright royal blue, making them easy for a physician to spot.

15.   By looking through a microscope, the pathologists can detect cancerous cells that would not be visible to the naked eye.

16.   Cancerous cells emit more light than healthy cells, and scientists hope that these differences could one day give doctors a new noninvasive way to detect disease.

17.   Cancerous cells are ones that have somehow thrown off the usually tight genetic controls on unwanted division and growth.

18.   Cancerous cells stand out because they contain more protein.

19.   For example, the breast cancer tie that features the image of a single cancerous cell polarized male and female buyers.

20.   Gene-specific drugs give doctors a high-powered rifle that can target only the cancerous cells.