title: Letter to the editor: influenza vaccine effectiveness: heterogeneity in estimates for the 2012/13 season.
authors: W
authors: W
authors: van der Hoek
authors: F
authors: F
authors: Dijkstra
authors: M M
authors: MM
authors: de Lange
authors: G A
authors: GA
authors: Donker
authors: A
authors: A
authors: Meijer
authors: M A
authors: MA
authors: van der Sande
mesh_terms: D005260:Female; D006801:Humans; D053122:Influenza A Virus, H3N2 Subtype / Q000235:genetics* / Q000302:isolation & purification*; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000821:virology*; D008297:Male; D017063:Outcome Assessment, Health Care
chemical_list: D007252:Influenza Vaccines