deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 01b5cdc..bbc1808 100644  --- a/untitled.tex  +++ b/untitled.tex 
...
# Methods \section{Background and Methods}  Case notification is key element of Korea's TB control programme to the initiation of   control measures including contact investigations and case management. A web-based   system was established in 2000\ref{17131783}. 2000 \ref{17131783}.   \section{Results}  \section{References}  # Results