Current opinion in gastroenterology: Bi-monthly review of the world literature. Lippincott Williams & Wilkins.
Čikaški stil citiranja (17. izdanje)Current Opinion in Gastroenterology: Bi-monthly Review of the World Literature. Philadelphia, Pa.: Lippincott Williams & Wilkins.
MLA način citiranja (8. izdanje)Current Opinion in Gastroenterology: Bi-monthly Review of the World Literature. Lippincott Williams & Wilkins.
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