Sheetal, S., Antony kalliath . "The utility of 'heart sign' on neuroimaging in acute-onset quadriparesis: A series of three cases." Apollo Medicine, vol. 18, no. 3, July-Sept. 2021, p. 212. Gale OneFile: Health and Medicine, link.gale.com/apps/doc/A676878123/HRCA?u=anon~b33a971e&sid=googleScholar&xid=35eb4e26. Accessed 1 Nov. 2023.