GIRALDO TASCON, Valeria Lilian et al. Perception about the anesthesiologist-patient relationship assessed during the post-operative of ASA I and II patients at level III and IV institutions (RAP-2 trial) in Cali, Colombia. Rev. colomb. anestesiol. [online]. 2014, vol.42, n.1, pp.20-27. ISSN 0120-3347.