Malucelli, Emil Free Mg2+ concentration in the calf muscle of glycogen phosphorylase and phosphofructokinase deficiency patients assessed in different metabolic conditions by 31P MRS. [electronic resource] - Dynamic medicine : DM Jun 2005 - 7 p. digital Publication Type: Journal Article ISSN: 1476-5918 Standard No.: 10.1186/1476-5918-4-7 doi