1. Brain and peripheral nervous system tumors;Walker,1982
2. Ependymomas in two sisters and a maternal cousin with mosaicism with monosomy 22 in tumor;Savard;Pediatr Neurosci,1989
3. Consistent pseudodiploid and neardiploid karyotypes in three intracranial tumors;Erkman;Am J Pathol,1964
4. Chromosome studies on cultured tumors of nervous tissue origin;Conen;Acta Cytol,1967
5. Chromosomal characteristics of neurogenic tumors in children;Mark;Acta Cytol,1970