%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Gimenez-Alventosa_etal2020} Gimenez-Alventosa, V., Gimenez, V., Ballester, F., Vijande, J., \& Andreo, P. (2020). Monte Carlo calculation of beam quality correction factors for PTW cylindrical ionization chambers in photon beams. \textit{Phys. Med. Biol.}, \textit{65}(20), 205005--11pp.

\end{thebibliography}

\end{document}

