Ana Teixeira de Melo. "Reflections on Methodological Congruence in Systems and Complexity-Informed Research; 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, 347-350. doi: 10.34172/ijhpm.2020.231