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Laboratory assistant in medical laboratory holds test tube with blood and plasma in his hand and doing analysis.
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- medical test
- diagnostic
- blood test
- lab test
- microbiology
- doctor patient
- test tube
- biochemistry
- patient
- blood sample
- lab
- leukemia
- hospital patient
- laboratory
- chemical lab
- chemical
- physician
- nurse
- medical science
- medical research
- clinical research
- doctor man
- doctor woman
- doctor
- doctor hand
- hospital
- biology
- medical
- infection
- clinic
- science
- researcher
- cancer patient
- virus
- holding
