Uribe Pérez, Claudia Janeth ; Amado Niño, Angélica María ; Tovar Fierro, Germán. Chang Y, Cho B, Son KY, Shin DW, Shin H, Yang H-K, et al. Determinats of gastric cancer screening attendance in Korea: a multi-level analysis. BMC Cancer [Internet]. 2015;15:336. Available from: http://www.ncbi.nlm.nih.gov/pubmed/25927821%5Cn http:// www.pubmedcentral.nih.gov/articlerender.fcgi?artid=PMC4424570.
,
2017