article_metadata: Patrick P J van der Veek Wouter H de Vos Tot Nederveen Cappel Alexandra M J Langers Bart van Hoek
article_metadata: 10.1155/2011/123743
article_metadata: Gastroenterol Res Pract
article_metadata: 2011;2011:123743.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/21760772/
article_metadata: Case Reports
article_metadata: PMC3132476
article_metadata: 21760772
article_metadata: Two patients with extremely elevated tumor markers: where is the malignancy?
article_metadata: 2011