Guillain-Barré Syndrome, Influenzalike Illnesses, and Influenza Vaccination During Seasons With and Without Circulating A/H1N1 Viruses. - Grimaldi-Bensouda, Lamiae; Alpérovitch, Annick; Besson, Gérard; Vial, Christophe; Cuisset, Jean-Marie; Papeix, Caroline; Lyon-Caen, Olivier; Benichou, Jacques; Rossignol, Michel (American Journal of Epidemiology, 2011)