Authors: Dijkstra, A De Vries, H Kok, G Roijackers, J

Citation: A. Dijkstra et al., Self-evaluation and motivation to change: Social cognitive constructs in smoking cessation, PSYCHOL HEA, 14(4), 1999, pp. 747-759

Authors: Dijkstra, A De Vries, H Roijackers, J

Citation: A. Dijkstra et al., Targeting smokers with low readiness to change with tailored and nontailored self-help materials, PREV MED, 28(2), 1999, pp. 203-211