Figure 2
From: Association between vitamin C in serum and trouble sleeping based on NHANES 2017–2018
Restricted cubic spline of association between vitamin C and trouble sleeping after adjusting all confounders.
Figure 2 | Scientific Reports
From: Association between vitamin C in serum and trouble sleeping based on NHANES 2017–2018
Restricted cubic spline of association between vitamin C and trouble sleeping after adjusting all confounders.
