Term Name:	glycogen storage disease IX
Synonyms:	glycogen storage disease 8, glycogen storage disease 9, glycogen storage disease VIII, glycogenosis type IX, GSD IX, GSD VIII, GSD8, GSD9
Definition:	A glycogen storage disease characterized by deficiency of phosphorylase kinase (PhK) activity.
Ontology:	Human Disease [DOID:0050594]   ( DOID:0050594 )