* patients taking any type of vitamin d supplement. * patients with hypoparathyroidism. * pregnant or lactating women. * patients in whom the administration of vitamin d is formally contraindicated (see annex vi). * patients who at time of inclusion, cannot take vitamin d orally.

* patients taking any type of vitamin d supplement. * patients with hypoparathyroidism. * pregnant or lactating women. * patients in whom the administration of vitamin d is formally contraindicated (see annex vi). * patients who at time of inclusion, cannot take vitamin d orally.

- patients taking any type of vitamin d supplement. - patients with hypoparathyroidism. - pregnant or lactating women. - patients in whom the administration of vitamin d is formally contraindicated (see annex vi). - patients who at time of inclusion, cannot take vitamin d orally.

- patients taking any type of vitamin d supplement. - patients with hypoparathyroidism. - pregnant or lactating women. - patients in whom the administration of vitamin d is formally contraindicated (see annex vi). - patients who at time of inclusion, cannot take vitamin d orally.