Sodium Intake During an Ultramarathon Does Not Prevent Muscle Cramping, Dehydration, Hyponatremia, or Nausea.
Sports Med Open. 2015;1(1):39. doi: 10.1186/s40798-015-0040-x. Epub 2015 Dec 22.
Sports Med Open. 2015.
PMID: 26709371
Free PMC article.