González-Mejía, E. A., Uñate-Suárez, O. C., Gutiérrez, C. J. B., & Patiño-Jiménez, Y. P. Symptom variability in outpatients with COPD and validation of the Colombian COPD Symptom Variability Instrument (EPOC-CoVaSy). Universidad Nacional de Colombia.
Chicago Style (17th ed.) CitationGonzález-Mejía, Eidelman Antonio, Olga Constanza Uñate-Suárez, Carlos José Bula- Gutiérrez, and Yojana Patricia Patiño-Jiménez. Symptom Variability in Outpatients with COPD and Validation of the Colombian COPD Symptom Variability Instrument (EPOC-CoVaSy). Universidad Nacional de Colombia.
MLA (9th ed.) CitationGonzález-Mejía, Eidelman Antonio, et al. Symptom Variability in Outpatients with COPD and Validation of the Colombian COPD Symptom Variability Instrument (EPOC-CoVaSy). Universidad Nacional de Colombia.