![Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs13054-021-03670-x/MediaObjects/13054_2021_3670_Fig1_HTML.png)
Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text
![Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs13054-021-03670-x/MediaObjects/13054_2021_3670_Fig3_HTML.png)
Measuring vitamin C in critically ill patients: clinical importance and practical difficulties—Is it time for a surrogate marker? | Critical Care | Full Text
![Rapid Determination of Polyphenols and Vitamin C in Plant-Derived Products | Journal of Agricultural and Food Chemistry Rapid Determination of Polyphenols and Vitamin C in Plant-Derived Products | Journal of Agricultural and Food Chemistry](https://pubs.acs.org/cms/10.1021/jf048396b/asset/images/medium/jf048396bf00001.gif)