@misc{misc493e81f1,
title   = {Sickle cell anemia [Carta]: a significant potential cause of pulmonary hypertension in Brazil},
author = {Pádua, Adriana Ignácio de and Martinez, José Antônio Baddini},
year = {2012},
doi = {10.1590/S1806-37132012000100021},
journal   = {Jornal Brasileiro de Pneumologia}
}