المؤلفون: Dua, S. L.

المصدر: JAMA: The Journal of the American Medical Association ; volume 230, issue 12, page 1634a-1635 ; ISSN 0098-7484 1538-3598

الإتاحة: https://doi.org/10.1001/jama.230.12.1634aTest

المؤلفون: MacLEAN, P. D., DUA, S., DENNISTON, R. H.

المصدر: Archives of Neurology ; volume 9, issue 5, page 485-497 ; ISSN 0003-9942

الإتاحة: https://doi.org/10.1001/archneur.1963.00460110053006Test
http://jamanetwork.com/journals/jamaneurology/fullarticle/564758Test