REFERENCIAS BIBLIOGRAFICAS

• www.nlm.nih.gov/medlineplus/.../001214.htm
• wonderfullinfo.wordpress.com/.../crecimiento-del-tumor-de-cancer-de-estomago
• familydoctor.org › ... › Cáncer
• www.texasheartinstitute.org/HIC/.../hbp_span.cfm
• books.google.com.co