Uses and Technique of Pediatric Lumbar Puncture
Am J Dis Child 146:1160-1165, Ward,E.&Gushurst,C.A., 1992
Screening for Inborn Errors of Metabolism Associated with Mental Deficiency or Neurologic Disorders or Both
NEJM 274:384, Renuart,A., 1966
A Synd of Methylmal Acid, Homocystinuria, Megaloblas. Anemia & Neurol Abnor. in a Vit B-12-def Breast-fed Infant of veget
NEJM 299:317, Higginbottom,M.C., 1978