RT Journal Article SR Electronic T1 Motor neuron disease and its association with non-Hodgkins lymphoma JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 458 OP 459 VO 13 IS 4 A1 Filiz Koc A1 Deniz Yerdelen YR 2008 UL http://nsj.org.sa/content/13/4/458.abstract AB