McArdle's disease: lack of muscle phosphorylase.
D000328:Adult; D001706:Biopsy; D002845:Chromatography; D005260:Female; D005808:Genes, Recessive; D005964:Glucosyltransferases / Q000378:metabolism*; D006008:Glycogen Storage Disease / Q000201:enzymology / Q000235:genetics*; D006579:Heterozygote; D006801:Humans; D008297:Male; D008875:Middle Aged; D009120:Muscle Cramp / Q000209:etiology; D009132:Muscles / Q000201:enzymology*; D009212:Myoglobinuria / Q000209:etiology; D005082:Physical Exertion
D005964:Glucosyltransferases