11.   After seven months of treatment with four chemotherapy drugs and radiation, he seemed healthy again.

12.   After that meeting, Gumbhir said, he suggested Courtney sell premixed chemotherapy drugs.

13.   Browder began testing his ideas in mice, using cyclophosphamide, a common chemotherapy drug also known as Cytoxan.

14.   But many chemotherapy drugs work against cancer by capitalizing on free radicals and turning their destructive force against tumors.

15.   But the chemotherapy drugs kicked in and the tumor began to shrink.

16.   Courtney pleaded guilty last month to misbranding, adulterating and tampering with chemotherapy drugs that he sent to a Kansas City oncologist.

17.   Doctors hoped the chemotherapy drugs would kill their tumors, but their marrow would be protected.

18.   Doxil is a chemotherapy drug wrapped inside a fatty layer that helps the drug find and kill cancer cells over time while minimizing damage to healthy tissue.

19.   Direct injection of chemotherapy drugs to solid tumors has been done before.

20.   Erbitux was tested in patients with advanced colon cancer who had not responded to an existing chemotherapy drug called irinotecan.