References reformatted Citation number retained to help with ordering. Citation 13 was added to the reference section but not cited in the text.
Refer to version https://eyewiki.org/w/index.php?title=Vertebrobasilar_Insufficiency&oldid=45250
Please indicate the location of Citation 13 in the text so that the Reference footnote can be added. Tony.Ching.AAO (talk) 17:04, June 26, 2019 (PDT)