Kawai, N., Ikematsu, H., Kawashima, T., Maeda, T., Ukai, H., Hirotsu, N., . . . Kashiwagi, S. (2012). Increased symptom severity but unchanged neuraminidase inhibitor effectiveness for A(H1N1)pdm09 in the 2010–2011 season: Comparison with the previous season and with seasonal A(H3N2) and B. Influenza Other Respir Viruses.

Kawai, Naoki, Hideyuki Ikematsu, Takashi Kawashima, Tetsunari Maeda, Hiroshi Ukai, Nobuo Hirotsu, Norio Iwaki, and Seizaburo Kashiwagi. "Increased Symptom Severity but Unchanged Neuraminidase Inhibitor Effectiveness for A(H1N1)pdm09 in the 2010–2011 Season: Comparison With the Previous Season and With Seasonal A(H3N2) and B." Influenza Other Respir Viruses 2012.

Kawai, Naoki, et al. "Increased Symptom Severity but Unchanged Neuraminidase Inhibitor Effectiveness for A(H1N1)pdm09 in the 2010–2011 Season: Comparison With the Previous Season and With Seasonal A(H3N2) and B." Influenza Other Respir Viruses 2012.