Glycogen storage disorder due to muscle phosphorylase deficiency: (A) Mcardle's disease, (B) Pompe's disease, (C) Andersen's disease, (D) Tarui's disease
Answer is A. McArdle&;s disease: type V glycogen storage disease.Due to deficiency of muscle phosphorylase. Incidence 1 out of 1million.Ref: DM Vasudevan, 7th edition, page no: 144