can colon metastases be controlled what's the difference between a control and comparison group? who can be a control group for colon cancer? how do i design a control control group who are the control group for colon cancer who can i select in a randomized clinical trial? when selecting a control group, who would be the comparison group what's the difference between control and comparison for cancer? which type of patients has metastasis what is the control group for colon cancer what is the comparison group for a study of colon cancer who should be included in a group of colon cancer patients who are the comparative groups for colon cancer can colon cancer be treated with control group who is a control? what is the control of colon cancer? how to create a group for a cancer control study how to select a control group which group is the study designed to examine for colon metastasis what is the comparison group for colon cancer