Letter to the Editor Influenza immunization: universal or selected? Jacira Pisani Zanettini João Otávio Zanettini Marco Tulio Zanettini Creative Commons Attribution (CC BY) Creative Commons license 21/10/2011 DOI: 10.1590/S0066-782X2011001200014 | Arq. Bras. Cardiol. 2011;97(3):268-269 LETTER TO THE EDITOR Influenza immunization: universal or selected? […]
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