Prevalence and characterization of an undernourished inpatient population with cardiopulmonary diagnoses upon hospital admission at four colombian hospitals. (September 2018) - Ruiz, Á.J.; Buitrago, G.; Nelcy, R.; Gómez, C.; Rodolfo, D.; Alba, M.; Chavez, W.; Araque, C.; Misas, J.D.; Sulo, S.; Gomez, G.