The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
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Correspondencia
Respuesta al artículo Encuesta poblacional sobre la prevalencia y los factores de riesgo de la enfermedad pulmonar obstructiva crónica en la provincia de Shanxi (China)
Response to the article A population-based survey of the prevalence and risk factors of chronic obstructive pulmonary disease in Shanxi province (China)
José María Hernández-Pérez
, Claudia Viviana López-Charry
Corresponding author
Servicio de Neumología, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, España



