APA

Kalach N., Legoedec J., Wann A., Bergeret M., Dupont C. & Raymond J. (20050421). Serum levels of pepsinogen I, pepsinogen II, and gastrin-17 in the course of Helicobacter pylori gastritis in pediatrics. : Journal of pediatric gastroenterology and nutrition.

Chicago

Kalach Nicolas, Legoedec J, Wann Abdul-Rahim, Bergeret Michel, Dupont Christophe and Raymond Josette. 20050421. Serum levels of pepsinogen I, pepsinogen II, and gastrin-17 in the course of Helicobacter pylori gastritis in pediatrics. : Journal of pediatric gastroenterology and nutrition.

Harvard

Kalach N., Legoedec J., Wann A., Bergeret M., Dupont C. and Raymond J. (20050421). Serum levels of pepsinogen I, pepsinogen II, and gastrin-17 in the course of Helicobacter pylori gastritis in pediatrics. : Journal of pediatric gastroenterology and nutrition.

MLA

Kalach Nicolas, Legoedec J, Wann Abdul-Rahim, Bergeret Michel, Dupont Christophe and Raymond Josette. Serum levels of pepsinogen I, pepsinogen II, and gastrin-17 in the course of Helicobacter pylori gastritis in pediatrics. : Journal of pediatric gastroenterology and nutrition. 20050421.