Source:http://linkedlifedata.com/resource/umls/id/C0017924
MSH: Glycogenosis due to muscle phosphorylase deficiency. Characterized by painful cramps following sustained exercise.,CSP: glycogenosis due to muscle phosphorylase deficiency; characterized by painful cramps following sustained exercise.,NCI: An autosomal recessive inherited type of glycogen storage disease caused by deficiency of myophosphorylase. It results in myalgias, muscle cramping and stiffness, and exercise intolerance.