Saline-assisted aspirations for collecting synovial fluid from noneffused knees: technique and validation.
Driban JB, Cattano N, Balasubramanian E, Sitler MR, Amin M, Glutting J, Barbe MF. Saline-assisted aspirations for collecting synovial fluid from noneffused knees: technique and validation. J Sport Rehabil. 2014 11 01; 23(4).