title: The influence of co-morbidity in the use of fast breathing in detecting pneumonia in children under 5 years of age.
authors: A J
authors: AJ
authors: da Cunha
authors: M de F
authors: Mde F
authors: March
authors: C do C
authors: Cdo C
authors: Sant' Anna
authors: S
authors: S
authors: Ferreira
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011014:Pneumonia / Q000175:diagnosis*; D012141:Respiratory Tract Infections / Q000175:diagnosis; D012680:Sensitivity and Specificity