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Protocol for Usability Testing and Validation of the ISO Draft International Standard 19223 for Lung Ventilators | Minotra | JMIR Research Protocols <body> <table width="100%"> <tr> <td align="center"> This page requires frames. <a href="https://www.researchprotocols.org/article/viewPDFInterstitial/resprot_v2017i9e166/2">Click here</a> for the non-frames version. </td> </tr> </table> </body>