No abstract available
MeSH terms
-
Adult
-
Aged
-
Blotting, Southern
-
China / ethnology
-
Cooking and Eating Utensils*
-
Culture
-
DNA, Bacterial / isolation & purification
-
Helicobacter Infections / microbiology
-
Helicobacter Infections / transmission*
-
Helicobacter pylori / genetics
-
Helicobacter pylori / isolation & purification*
-
Humans
-
Middle Aged
-
Polymerase Chain Reaction
-
Saliva / microbiology