@article{Oswald_2013, title={“Pyrexia of Unknown Origin” – Differential Diagnosis?}, volume={21}, url={http://journals.ed.ac.uk/resmedica/article/view/209}, DOI={10.2218/resmedica.v21i1.209}, number={1}, journal={Res Medica}, author={Oswald, Ailsa}, year={2013}, month={Sep.}, pages={56-60}