Doctor holds blood sample for hormonal examination of thyroid gland in laboratory. T3, T4, TSH, test. Medical testing concept.
Keywords
gland,
laboratory,
research,
analysing,
goiter,
pituitary,
toxic,
test,
diagnosis,
tube,
abnormal,
laboratory,
stimulating,
science,
metabolism,
examine,
hormone,
patient,
exam,
hospital,
health care,
chemistry,
disease,
blood test,
health,
blood,
sample