Pneumonia after Earthquake, Japan, 2011. - Takahashi, Hiroshi; Fujimura, Shigeru; Ubukata, Satoshi; Sato, Eizaburo; Shoji, Makoto; Utagawa, Mutsuko; Kikuchi, Toshiaki; Watanabe, Akira (Emerging Infectious Diseases, 2012)