@base .
a , ;
"Helicobacter pylori and gastroduodenal disease" .
.
a ;
.
a .
a ;
"0916-7161" ;
.
a ;
;
"20041117030900.0"^^ ;
;
.
"Japan" .
a , , ;
, , ;
"Helicobacter pylori and gastroduodenal disease." ;
;
;
"0916-7161" ;
;
"0916-7161" ;
;
"0916-7161" ;
"Helicobacter pylori and gastroduodenal disease" , "Helicobacter pylori and gastroduodenal disease." ;
.
a ;
"0916-7161" ;
.