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BCG vaccine: Media
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tuberculosis vaccination
A child receiving a UNICEF-funded tuberculosis vaccine at a school in Bulacan province,...
© UNICEF/ICEF-2539
mitral stenosis
Gross pathology of heart showing narrowing and thickening of the mitral valve in...
Dr. Edwin P. Ewing, Jr./Centers for Disease Control and Prevention (CDC) (Image Number: 849)
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