Almeida, Paulo R C Immunoexpression of cyclooxygenase-2 in primary gastric carcinomas and lymph node metastases. [electronic resource] - World journal of gastroenterology Feb 2012 - 778-84 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 2219-2840 Standard No.: 10.3748/wjg.v18.i8.778 doi Subjects--Topical Terms: Cyclooxygenase 2--metabolismHumansLymph Nodes--enzymologyLymphatic Metastasis--pathologyStomach Neoplasms--enzymology