I don't know if many Drs would read an article or website, but your best chance tot convince a Dr is to find the info on a "professional" medical site.
oh..here ya go--
25 Search Engines Every Medical Professional Should Bookmark | NursingDegree.net
[However, many patients do not lose consciousness but instead manifest symptoms and signs such as] more-
Sports-Related Concussion - Injuries; Poisoning - Merck Manuals Professional Edition