Doctor holding a test blood sample tube with Vitamin B12 test on the background of medical test tubes with analyzes
Palabras clave
test,
tube,
blood,
vitamin,
nourishment,
laboratory,
anemia,
disease,
research,
health,
nutrient,
malnutrition,
supplementary,
medicine,
analysing,
medicals,
mineral,
supplement,
chemistry,
chemical,
healthy,
food,
coliseum,
riboflavin,
thiamine,
ascorbic,
carotene,
exam,
acid,
experiment,
sample,
laboratory,
analysis,
folic acid,
doctor,
hand
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