Blank, P. R., Schwenkglenks, M., & Szucs, T. D. (2008). Influenza vaccination coverage rates in five European countries during season 2006/07 and trends over six consecutive seasons. BioMed Central.
Dyfyniad Arddull ChicagoBlank, Patricia R., Matthias Schwenkglenks, and Thomas D. Szucs. Influenza Vaccination Coverage Rates in Five European Countries During Season 2006/07 and Trends Over Six Consecutive Seasons. BioMed Central, 2008.
Dyfyniad MLABlank, Patricia R., Matthias Schwenkglenks, and Thomas D. Szucs. Influenza Vaccination Coverage Rates in Five European Countries During Season 2006/07 and Trends Over Six Consecutive Seasons. BioMed Central, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.