11.   Generally, tissue is taken when doctors have more serious concerns.

12.   He whispered to her as he cried, then took a tissue and gently wiped her eyes.

13.   Hultin removed her lungs and also took tissue from the lungs of the three other victims, even though he doubted that their decaying tissue would contain virus particles.

14.   The procedure for taking the tissue, a film comparable to a contact lens, does not require invasive surgery, Bomar said.

15.   Before the new work, scientists had been able to take tissue from adult frogs and create genetically identical tadpoles.

16.   Forensics experts took tissue samples Monday from the body discovered here Friday for DNA tests to determine whether it is that of the American journalist as police believe.

17.   He was admitted to HUP, where three procedures were performed, including a skin graft taking tissue from his shoulder blade and applying it over the wound.

18.   Simply taking cancerous tissue from a patient and examining it for genetic flaws would be near impossible because there are hundreds of thousands of genes in every cell.

19.   The abnormal tissue will be taken to a laboratory in Canada to confirm the final diagnosis.

20.   They envision taking tissue from a patient and using the enzyme to build up a population of rejuvenated cells that could be implanted in the patient.