Takezaki, Toshiro, Toshinobu Fujiyoshi, and Kazuo Tajima. “Macrogeographic and Micrographic Comparative Study of Risk Factors for Gastric Cancer in Japan, China and South America”. Estudios atacameños, no. 15 (June 7, 1998): 13–20. Accessed November 21, 2024. https://estudiosatacamenos.ucn.cl/index.php/estudios-atacamenos/article/view/489.