Kyle, U. G. / 2005 / Increased length of hospital stay in underweight and overweight patients at hospital admission : a controlled population study / Clinical Nutrition 24:133~142 Micozzi, M. S. / 1986 / Correlations of body mass indices with weight, stature, and body composition in men and women in NHANES I and II / American Journal of Clinical Nutrition 44:725~731 Nakao, T. / 2003 / Reference norms for a fat-free mass index and fat mass index in the Japanese child population / Journal of Physiological Anthropology and Applied Human Science 22(6):293~298 Pichard, C. / 2000 / Reference values of fat-free and fat masses by bioelectrical impedance analysis in 3393 healthy subjects / Nutrition 16:245~254 Pichard, C. / 2003 / Reference values of fat-free and fat masses by bioelectrical impedance analysis in 3393 healthy subjects / Nutrition 16:245~254