RT Journal Article SR Electronic T1 Infrapatellar fat pad maximal area and changes in knee symptoms: gender-related difference or gender difference in reporting? JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP e3 OP e3 DO 10.1136/annrheumdis-2015-208620 VO 75 IS 1 A1 Harrison X Bai A1 Ashley M Lee A1 Zhili Wang A1 Haiyun Tang A1 Li Yang YR 2016 UL http://ard.bmj.com/content/75/1/e3.abstract AB