Instrumental developments in clinical chemistry.
D002623:Chemistry Techniques, Analytical / Q000295:instrumentation*; D002624:Chemistry, Clinical / Q000295:instrumentation*; D002851:Chromatography, High Pressure Liquid / Q000295:instrumentation; D004586:Electrophoresis / Q000295:instrumentation; D011863:Radioimmunoassay / Q000295:instrumentation; D014556:Urine / Q000032:analysis