G. Pernold

Neck/Shoulder Disorders in a General Population. Natural Course and Influence of Physical Exercise: A 5-Year Follow-up

C. Wiktorin, M. Mortimer, E. Tornqvist, 2005, Spine.

Interview versus questionnaire for assessing physical loads in the population-based MUSIC-Norrtälje Study.

A Kilbom, C Wiktorin, L Alfredsson, 1999, American journal of industrial medicine.

Low Back Pain in a General Population. Natural Course and Influence of Physical Exercise–A 5-Year Follow-up of the Musculoskeletal Intervention Center-Norrtälje Study

C. Wiktorin, M. Mortimer, G. Pernold, 2006, Spine.

Sports activities, body weight and smoking in relation to low‐back pain: a population‐based case‐referent study

C. Wiktorin, M. Mortimer, E. Vingård, 2001, Scandinavian journal of medicine & science in sports.

Validity of self-reported duration of work postures obtained by interview

Eva Vingård, Christina Wiktorin, Monica Mortimer, 1999 .