Cen, Rui-Xiang Platelet-to-lymphocyte ratio as a potential prognostic factor in nasopharyngeal carcinoma: A meta-analysis. [electronic resource] - Medicine Sep 2019 - e17176 p. digital Publication Type: Journal Article; Meta-Analysis ISSN: 1536-5964 Standard No.: 10.1097/MD.0000000000017176 doi Subjects--Topical Terms: Blood PlateletsHumansLymphocyte CountLymphocytesNasopharyngeal Carcinoma--bloodNasopharyngeal Neoplasms--bloodPlatelet CountSurvival Analysis