RT Journal Article SR Electronic T1 Posttraumatic Chylous Knee Effusion JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1490 OP 1491 DO 10.3899/jrheum.191050 VO 48 IS 9 A1 Berber de Boer A1 Robbert J. Goekoop YR 2021 UL http://www.jrheum.org/content/48/9/1490.abstract AB