TY - BOOK AU - Schroeder, Henry A TI - The trace elements and nutrition : some positive and negative aspects SN - 0571108385 U1 - 612.3924 SCH PY - 1976/// CY - London : PB - Faber and Faber, KW - Nutrition Disorders -- Popular Works. KW - Nutritional Physiological Phenomena -- Popular Works. N1 - Includes index. ER -