Term Name:	asphyxiating thoracic dystrophy 4
Synonyms:	ATD4, short-rib thoracic dysplasia 4 with or without polydactyly, SRTD4
Definition:	An asphyxiating thoracic dystrophy has_material_basis_in compound heterozygous mutation in the TTC21B gene on chromosome 2q24.
Ontology:	Human Disease [DOID:0110088]   ( DOID:0110088 )