1. Definition of chronic energy deficiency in adults. Report of a working party of the International Dietary Energy Consultative Group;W.P. James;Eur J Clin Nutr,1988
2. Organization, W.H., BMI Classification.[Accessed 5/21, 2012]; Global Database on Body Mass Index.
3. Functional significance of low body mass index: proceedings of an IDECG Workshop held at FAO headquarters, Rome, IT, 4–6 Nov. 1992;W. James;European journal of clinical nutrition
4. Prepregnancy nutritional status and its impact on birthweight;R. Galloway;SCN news,1994
5. Impact of maternal under nutrition on obstetric outcomes;S. Triunfo;Journal of endocrinological investigation,2015