El Bouazzaoui, A., Houari, N., Derkaoui, A., Mahmoud, M., Shimi, A. and Khatouf, M. (2013) “Empyema caused by Trichomonas: a disregarded co-pathogen”, Médecine Intensive Réanimation, 22(6), pp. 661–662. doi: 10.1007/s13546-013-0699-2.