[1]
E. J. F. dos Santos, M. M. J. C. Nunes, D. F. B. Cardoso, J. L. A. Apóstolo, P. J. P. Queirós, and M. A. Rodrigues, “ Effectiveness of heparin versus 0.9% saline solution in maintaining the permeability of central venous catheters: a systematic review ”, Rev. Esc. Enferm. USP, vol. 49, no. 6, pp. 995-1003, Dec. 2015.