Pneumocystis jirovecii pneumonia in developing countries Y. De Armas Rodríguez, G. Wissmann, A.L. Müller, M.A. Pederiva, M.C. Brum, R.L. Brackmann, V. Capó De Paz and E.J. Calderón Parasite, 18 3 (2011) 219-228 Published online: 15 August 2011 DOI: 10.1051/parasite/2011183219