Response to “Efficacy and safety of sildenafil for the treatment of severe pulmonary hypertension in patients with hemoglobinopathies: results from a long-term follow up ” Haematologica 2014;99(2):e17–18.
Elizabeth S. Klings,
Elliott P. Vichinsky,
Claudia R. Morris
Affiliations
Elizabeth S. Klings
The Pulmonary Center, Boston University School of Medicine, Boston, MA
Elliott P. Vichinsky
Department of Hematology/Oncology, Children’s Hospital & Research Center Oakland, Oakland, CA
Claudia R. Morris
Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
