Fig. 5From: Dysequilibrium of the PTH-FGF23-vitamin D axis in relapsing remitting multiple sclerosis; a longitudinal studyPlasma PTH and Serum 25OHD Plasma PTH in winter (open circles) and summer (solid circles) plotted against serum 25OHD for subjects who provided both winter and summer venepuncture. Three outliers (serum 25OHD > 150 nM) were excluded to enlarge the scale of the X-axisBack to article page