めまい
aid
biology
blood transfusion
cephalalgia
diagnosis
disease
doctor
donate
donation
during pregnancy
dyspnea
fatigue
headache
health
healthcare symbol
heart palpitations
hematology
hemoglobin
human
injections
iron deficiency
lab tests
laboratory
lifesaving
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medical advice
medical design
medicine pictogram
noise in ears
pills
red blood cells
save
science
sign
symptom
therapy
tinnitus
transfuse
treatment
vitamin b12
vitamins
weakness
web graphics