K. B. Hagen

Can exercise improve self esteem in children and young people? A systematic review of randomised controlled trials

K. Hagen, E. Ekeland, F. Heian, 2005, British Journal of Sports Medicine.

Lessons on Causality from Clinical Encounters with Severely Obese Patients

K. B. Hagen, 2020, Rethinking Causality, Complexity and Evidence for the Unique Patient.

Outcomes of patients who participate in randomised controlled trials compared to similar patients receiving similar interventions who do not participate.

A. Oxman, G. Vist, P. Devereaux, 2007, The Cochrane database of systematic reviews.

Exercise in prevention and treatment of anxiety and depression among children and young people.

K. B. Hagen, L. Nordheim, K B Hagen, 2006, The Cochrane database of systematic reviews.

Exercise to improve self-esteem in children and young people.

K. Hagen, L. Nordheim, J. Abbott, 2004, The Cochrane database of systematic reviews.

The unbearable lightness of healthcare policy making: a description of a process aimed at giving it some weight

A D Oxman, A. Oxman, I. Scheel, 2003, Journal of epidemiology and community health.