Fig. 1
Intra-hair variation in 25(OH)D3 concentrations (pg/mg) from crown to end in cm, for participants (n = 14). Dotted lines have been added when 25(OH)D3 concentrations were below the detection limit.
Fig. 1 | Scientific Reports
Intra-hair variation in 25(OH)D3 concentrations (pg/mg) from crown to end in cm, for participants (n = 14). Dotted lines have been added when 25(OH)D3 concentrations were below the detection limit.
