article 2015 11 pages Clinical Impact of Speed Variability to Identify Ultramarathon Runners at Risk for Acute Kidney Injury Sen-Kuang Hou, Yu-Hui Chiu, Yi-Fang Tsai, Ling-Chen Tai, Peter C. Hou, Chorng-Kuang How, Chen-Chang Yang, Wei-Fong Kao JournalPLOS ONEDOI10.1371/journal.pone.0133146Publication typeResearch ArticleStudy typeobservational studyPopulationultramarathon runners View on DOI ↗