Metabolic responses to a 48-h ultra-marathon run in middle-aged male amateur runners

Metabolic responses to 48h ultra marathon in middle aged runners http://t.co/fESOGucrJV

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm

Effects of a 48 hour ultra marathon in amateur runners. No evidence it does much harm in this study. http://t.co/2mpeQSFgPm