The 'new pocket spirometers', are useful in children?

Bibliographic Details
Title: The 'new pocket spirometers', are useful in children?
Authors: Gonzalez Perez-Yarza, E., Mintegui Aranburu, J., Garmendia Iglesias, A., Callen Blecua, M. T.
Source: ANALES ESPANOLES DE PEDIATRIA. 41(6):388-388
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Database: British Library Document Supply Centre Inside Serials & Conference Proceedings