Measurement of synovial fluid pH in normal and arthritic knees.
D001168:Arthritis / Q000378:metabolism*; D004867:Equipment Design; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007719:Knee Joint; D009339:Needles; D012016:Reference Values; D013396:Suction / Q000295:instrumentation; D013582:Synovial Fluid / Q000378:metabolism*