APA

Alexy U., Kersting M. & Sichert-Hellert W. (20040423). Trends in dietary intake of vitamins A, C, and E in German children and adolescents--results of the DONALD Study. : International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition.

Chicago

Alexy Ute, Kersting Mathilde and Sichert-Hellert Wolfgang. 20040423. Trends in dietary intake of vitamins A, C, and E in German children and adolescents--results of the DONALD Study. : International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition.

Harvard

Alexy U., Kersting M. and Sichert-Hellert W. (20040423). Trends in dietary intake of vitamins A, C, and E in German children and adolescents--results of the DONALD Study. : International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition.

MLA

Alexy Ute, Kersting Mathilde and Sichert-Hellert Wolfgang. Trends in dietary intake of vitamins A, C, and E in German children and adolescents--results of the DONALD Study. : International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition. 20040423.