Term Name:	vitamin D-dependent rickets type 1B
Synonyms:
Definition:	A vitamin D-dependent rickets that is characterized by abnormally low levels of calcitriol and that has_material_basis_in homozygous, compound heterozygous, or heterozygous mutation in the CYP2R1 gene on chromosome 11p15.
Ontology:	Human Disease [DOID:0080887]   ( DOID:0080887 )