Prenatal Diagnosis of Non-Ketotic Hyperglycinaemia: Amniotic Fluid Glycine and Glycine: Serine Ratios

Garciá-Castro JM Isales-Forsythe CM Levy HL , Prenatal diagnosis of nonketotic hyperglycinemia. N Eng J Med 1982; 306: 79–81.

Mcsavage C Nance CS Flannery DB Glycine/serine ratios in amniotic fluid: an unreliable indicator for the prenatal diagnosis of non-ketetotic hyperglycinemia. Clin Genet 1983; 23: 354–358.

Kang ES Scanlon J . Concentrations of the free amino acids in human amniotic fluid during normal and abnormal pregnancies. Am J Obstet Gynecol 1974; 119: 603–609.