1. The EMG gradient as a reflection of metamotivational state;Apter;Scandinavian Journal of Psychology,1986
2. Medical, psychological and social factors associated with back abnormalities and self reported back pain: a cross sectional study of male employees in a Swedish pulp and paper industry;Åstrand;British Journal of Industrial Medicine,1987
3. Back pain, back abnormalities, and competing medical, psychological and social factors as predictors of sick leave, early retirement, labour turnover, and mortality: a 22 year follow-up of male employees in a Swedish pulp and paper industry;Åstrand;British Journal of Industrial Medicine,1988
4. Isometric lifting strength as a predictor of industrial back complaints;Battie;Spine,1989
5. Psychological predictors of heart disease: A quantitative review;Booth-Kewley;Psychological Bulletin,1987