Increasing requests for vitamin D measurement: costly, confusing, and without credibility

LANCET

ELSEVIER SCIENCE INC

1. MRC [MC_UP_A100_1003] Funding Source: UKRI
2. British Heart Foundation [FS/10/005/28147] Funding Source: researchfish
3. Medical Research Council [MC_UP_A100_1003] Funding Source: researchfish
4. British Heart Foundation [FS/10/005/28147] Funding Source: Medline
5. Medical Research Council [MC_UP_A100_1003] Funding Source: Medline