(2017). WHO recommendations on the composition of the 2017/18 influenza virus vaccines in the northern hemisphere. Euro Surveill.
Chicago Style Citation"WHO Recommendations On the Composition of the 2017/18 Influenza Virus Vaccines in the Northern Hemisphere." Euro Surveill 2017.
Cita MLA"WHO Recommendations On the Composition of the 2017/18 Influenza Virus Vaccines in the Northern Hemisphere." Euro Surveill 2017.
Atenció: Aquestes cites poden no estar 100% correctes.