Do the quality of the trials and the year of publication affect the efficacy of intervention to improve seasonal influenza vaccination among healthcare workers?: Results of a systematic review
2013 ◽
Vol 9
(2)
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pp. 349-361
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2011 ◽
Vol 79
(4)
◽
pp. 279-286
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2010 ◽
Vol 182
(12)
◽
pp. E542-E548
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