Steptoe, Andrew; Edwards, Sara; Moses, Jennifer; Mathews, Andrew (January 1989). "The effects of exercise training on mood and perceived coping ability in anxious adults from the general population". Journal of Psychosomatic Research. 33 (5): 537–547. doi:10.1016/0022-3999(89)90061-5. PMID2795526.
Stevens, J; Truesdale, K P; McClain, J E; Cai, J (March 2006). "The definition of weight maintenance". International Journal of Obesity. 30 (3): 391–399. doi:10.1038/sj.ijo.0803175. PMID16302013.
Steptoe, Andrew; Edwards, Sara; Moses, Jennifer; Mathews, Andrew (January 1989). "The effects of exercise training on mood and perceived coping ability in anxious adults from the general population". Journal of Psychosomatic Research. 33 (5): 537–547. doi:10.1016/0022-3999(89)90061-5. PMID2795526.
Stevens, J; Truesdale, K P; McClain, J E; Cai, J (March 2006). "The definition of weight maintenance". International Journal of Obesity. 30 (3): 391–399. doi:10.1038/sj.ijo.0803175. PMID16302013.