Anonymous (1992) Gastrointestinal surgery for severe obesity: NIH Consensus Development Conference Statement. Am J Clin Nutr 55, 615S–619S.
Aranceta J, Pérez C & Serra L (2003) Prevalence of obesity in Spain: results of the SEEDO 2000 study (article in Spanish). Med Clin (Barc) 120, 608–612.
Ayyad C & Andersen T (2000) Long-term efficacy of dietary treatment of obesity: a systematic review of studies published between 1931 and 1999. Obes Rev 1, 113–119.
Bernier M & Avard J (1986) Self-efficacy, outcome and attrition in a weight-reduction program. Cogn Ther Res 10, 319–338.
Clegg A, Colquitt J, Sidhu M, Royle P & Walter A (2003) Clinical and cost effectiveness of surgery for morbid obesity: a systematic review and economic evaluation. Int J Obes 27, 1167–1177.
Drenick EJ, Bale GS, Seltzer FS & Johnson DG (1980) Excessive mortality and causes of death in morbidly obese men. JAMA 243, 443–445.
Flegal KM, Carroll MD, Ogden CL & Johnson CL (2002) Prevalence and trends in obesity among US adults, 1999–2000. JAMA 288, 1723–1727.
Fung TT, Rimm EB, Spiegelman D, Rifai N, Tofler GH, Willett WC & Hu FB (2001) Association between dietary patterns and plasma biomarkers of obesity and cardiovascular disease risk. Am J Clin Nutr 73, 61–67.
Hansen D, Astrup A & Toubro S (2001) Predictors of weight loss and maintenance during 2 years of treatment by sibutramine in obesity. Results from the European multi-centre STORM trial. Sibutramine Trial of Obesity Reduction and Maintenance. Int J Obes 25, 496–501.
Herbert V (1999) Folic acid. In Modern Nutrition in Health and Disease, pp. 433–446 [Shils ME, Olson JA, Shike M and Ross AC, editors]. Baltimore, MA: Williams and Wilkins.
Hirsch S, Poniachick J, Avendaño M, Csendes A, Burdiles P, Smok G, Diaz JC & de la Maza MP (2005) Serum folate and homocysteine levels in obese females with non-alcoholic fatty liver. Nutrition 21, 137–141.
Kleinbaum DG & Klein M (2002) Modeling strategy for assessing interaction and confounding. In Logistic Regression: a Self-learning Text, pp. 191–226 [Kleinbaum DG and Klein M, editors]. New York: Springer-Verlag.
MacDonald KG (2003) Overview of the epidemiology of obesity and the early history of procedures to remedy morbid obesity. Arch Surg 138, 357–360.
Miller WC, Koceja DM & Hamilton EJ (1997) A meta-analysis of the past 25 years of weight loss research using diet, exercise or diet plus exercise intervention. Int J Obes 21, 941–947.
Moreno-Aliaga MJ, Santos JL, Martí A & Martínez JA (2005) Does weight loss prognosis depend on genetic make-up?. Obes Rev 6, 155–168.
National Institutes of Health (2000) National Heart, Lung and Blood Institute Obesity Education Initiative Expert Panel on the Identification, Evaluation and Treatment of Overweight and Obesity in Adults. NIH Publication no. 00-4084. www.nhlbi.nih.org.
Padwal R, Li SK & Lau DCW (2003) Long-term pharmacotherapy for overweight and obesity: a systematic review and meta-analysis of randomized controlled trials. Int J Obes 27, 1437–1446.
Reinehr T, Brylak K, Alexy U, Kersting M & Andler W (2003) Predictors to success in outpatient training in obese children and adolescents. Int J Obes 27, 1087–1092.
Rissanen A, Lean M, Rössner S, Segal KR & Sjöstrom L (2003) Predictive value of early weight loss in obesity management with orlistat: an evidence-based assessment of prescribing guidelines. Int J Obes 27, 103–109.
Sjöström L, Lindroos AK & Peltonen M (2004) Lifestyle, diabetes, and cardiovascular risk factors 10 years after bariatric surgery. N Engl J Med 351, 2683–2693.
Teixeira PJ, Going SB, Houtkooper LB, Cussler EC, Metcalfe LL, Blew RM, Sardinha LB & Lohman TG (2004) Pretreatment predictors of attrition and successful wight management in women. Int J Obes 28, 1124–1133.
Traverso A, Ravera G, Lagattolla V, Testa S & Adami GF (2000) Weight loss after dieting with behavioral modification for obesity: the predicting efficiency of some psychometric data. Eat Weight Disord 5, 102–107.
Wadden TA (1993) Treatment of obesity by moderate and severe caloric restriction. Results of clinical research trials. Ann Intern Med 1197, 688–693.