Liao, Xia Brain gray matter alterations in Chinese patients with chronic knee osteoarthritis pain based on voxel-based morphometry. [electronic resource] - Medicine Mar 2018 - e0145 p. digital Publication Type: Journal Article ISSN: 1536-5964 Standard No.: 10.1097/MD.0000000000010145 doi Subjects--Topical Terms: AffectArthralgia--diagnostic imagingAtrophyBrain--diagnostic imagingCase-Control StudiesChronic Pain--diagnostic imagingCognitionCross-Sectional StudiesFemaleGray Matter--diagnostic imagingHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedOrgan SizeOsteoarthritis, Knee--diagnostic imaging