TY - JOUR T1 - Lubrication of human joints. JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 194 DO - 10.1136/ard.28.2.194-a VL - 28 IS - 2 AU - P S Walker AU - D Dowson AU - M D Longfield AU - V Wright Y1 - 1969/03/01 UR - http://ard.bmj.com/content/28/2/194.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -