En un estudio controlado a doble ciego de 28 enfermos con enfermedades broncopulmonares evidentes radiológicamente los métodos convencionales de percusión aportaron datos equívocos o resultó normal. En todos los casos el método de percusión auscultatoria del pulmón permitió detectar lesiones de hasta menos de dos centímetros de diámetro.
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.
© Clarivate Analytics, Journal Citation Reports 2025
SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.
See moreSNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.
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