Isolation of oseltamivir-resistant influenza A/H1N1 virus of different origins in Yokohama City, Japan, during the 2007-2008 influenza season.
Kawakami C, Obuchi M, Saikusa M, Noguchi Y, Ujike M, Odagiri T, Iwata M, Toyozawa T, Tashiro M. Jpn J Infect Dis. 2009 Jan; 62(1):83-6.