Dear all Can anyone help with the following articles, please? We have exhausted our usual sources in Spain 1. Lepoutre T, Rousseau MF, Ahn SA, Gruson D. Measurement Nt-proBNP circulating concentrations in heart failure patients with a new point-of-care assay. *Clin Lab. 2013;59(7-8):831-5.* doi: 10.7754/clin.lab.2012.120418. PMID: 24133913. 2. Gruson D, Ferracin B, Ahn SA, Rousseau MF. Testing for Soluble ST2 in Heart Failure Patients: Reliability of a Point of Care Method. *Clin Lab. 2017 Jan 1;63(1):141-145. * doi: 10.7754/Clin.Lab.2016.160723. PMID: 28164491. Thanks in advance!! Best regards María. -- María García-Puente *BIBLIOTECA* Hospital Fundación Jiménez Díaz Avda. Reyes Católicos, 2 28040 Madrid