Laboratory Worker's Hand In Glove Holding Test Tube With Blood Sample Into Automatic Electrolyte Analyzer To Measure Electrolyte Levels

laboratory worker hand glove hold test test tube tube machine result blood sample blood sample specimen automatic electrolyte analyzer electrolyte analyzer measure level analyser medical technologist medical science examine hospital health equipment analysis person technician testing needle hygiene clinic chemical doctor experiment chemist chemistry biochemistry analyze lab microbiology biotechnology biology disposable technology device