title: Secondary hyperparathyroidism in patients with ichthyosis is not caused by vitamin D deficiency or ingestion of retinoids.
authors: L M
authors: LM
authors: Milstone
authors: S J
authors: SJ
authors: Bale
authors: K L
authors: KL
authors: Insogna
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000209:etiology*; D007057:Ichthyosis / Q000150:complications*; D008297:Male; D008875:Middle Aged; D012176:Retinoids / Q000009:adverse effects; D014808:Vitamin D Deficiency / Q000150:complications
chemical_list: D012176:Retinoids