%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{DeWael_etal2013} De Wael K, Nagels L, Van Camp G (2013) Potentiometric sensors and method for measuring intermolecular interactions

\end{thebibliography}

\end{document}

