Diane T. Finegood. "Can We Build an Evidence Base on the Impact of Systems Thinking for Wicked Problems?; Comment on “What Can Policy-Makers Get Out of Systems Thinking? Policy Partners’ Experiences of a Systems-Focused Research Collaboration in Preventive Health”", International Journal of Health Policy and Management, 10, 6, 2021, 351-353. doi: 10.34172/ijhpm.2020.194