Relationship between ABO blood groups and carcinoma of esophagus and cardia in Chaoshan inhabitants of china

摘要

to study the relationship between ABO blood groups and carcinoma of esophagus and cardia in Chaoshan inhabitants o China, which is a unique littoral High-risk area of esophageal carcinoma in China. The poor Communication and transportation in the past has made Chaoshan a relatively closed area and kept its culture and Custure of old China thousand years ago.