Fig. 4
Intra-hair variations of 25(OH)D3 concentration (pg/mg) and oxygen isotope ratios from crown to end in cm of four participants. (a) Participant D; (b) participant G; (c) participant I; (d) participant L.
Fig. 4 | Scientific Reports
Intra-hair variations of 25(OH)D3 concentration (pg/mg) and oxygen isotope ratios from crown to end in cm of four participants. (a) Participant D; (b) participant G; (c) participant I; (d) participant L.
