Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
David R. Freyer and Raymond Hutchinson and Paul E. McKeever,Primary Primitive Neuroectodermal Tumor of the Spinal Cord Associated with Neural Tube Defect,Pediatric Neurosurgery,1016-2291,S. Karger AG,1989,15,4,181-187,https://cir.nii.ac.jp/crid/1363670319596872960,https://doi.org/10.1159/000120466