Significant increase in prostaglandin E-major urinary metabolite with physical exercise suggesting muscle inflammation oleh Isao Okayasu, Hatsumi Kuroiwa, Kanako Shinkawa, Kaori Hayashi, Seiichi Sato, Noboru Iwata, Goichi Tano, Ryo Sekizaki, Kazuyuki Umeda, Hiromitsu Ohnishi