TY - SER TI - ¿Punción endovenosa directa o catéter endovenoso central? SN - 0210-5020 N1 - Este artículo se encuentra disponible en su edición impresa; Bibliografía: p.26 N2 - The authors present a comparative study of the results of various analytical determinations performed on blood samples obtained through direct intravenous puncture and a central catheter. Once the statistical study was carried out, no significant differences were found between the mean values ​​obtained for each of these analytical determinations. It can be concluded that both blood samples are equally valid ER -