%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{VanHolsbeke_etal2013} {\textquotedblleft}\textit{Functional respiratory imaging as a tool to assess upper airway patency in children with obstructive sleep apnea}{\textquotedblright}. Van Holsbeke C, Vos W, van Hoorenbeeck K, Boudewyns A, Salgado R, Verdonck PR, Ramet J, de Backer J, De Backer W, Verhulst SL, Sleep Medicine \textbf{14}, 433 (2013).   http://doi.org/10.1016/j.sleep.2012.12.005

\end{thebibliography}

\end{document}

