«Classical diseases revisited: transient global amnesia» loss of memory study loss of memory Classical diseases revisited: transient global amnesia https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2600033/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2600033/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2600033/ Classical diseases revisited: transient global amnesia http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2600033/ still contested study