Short-term exposure to desert dust and the risk of acute myocardial infarction in Japan: a time-stratified case-crossover study

JROAD Investigators, Masanobu Ishii, Tomotsugu Seki, Koichi Kaikita, Kenji Sakamoto, Michikazu Nakai, Yoko Sumita, Kunihiro Nishimura, Yoshihiro Miyamoto, Teruo Noguchi, Satoshi Yasuda, Hiroyuki Tsutsui, Issei Komuro, Yoshihiko Saito, Hisao Ogawa, Kenichi Tsujita, Koji Kawakami