deletions | additions       diff --git a/Etiology.md b/Etiology.md  index a3a6f2b..b39cf53 100644  --- a/Etiology.md  +++ b/Etiology.md 
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|:----------|:------------|  | \cite{27371487} | Title: "Social disinhibition is a heritable subphenotype of tics in Tourette syndrome" |   | \cite{27708560} | Title: "Sequencing candidate genes to identify potential functional variants linked to TS" |   | \cite{27548401} | "The prevalence of diagnosed Tourette syndrome in Canada" |