(1)
Diniz, E. M. de A.; Vieira, R. A.; Ceccon, M. E. J.; Ishida, M. A.; Vaz, F. A. C. Incidence of Respiratory Viruses in Preterm Infants Submitted to Mechanical Ventilation . Rev. Inst. Med. Trop. São Paulo 2005, 47 (1), 37-44.