Reviewer's□report 
□cagA□and□vacA□in□strains□of□Helicobacter□pylori□from□ulcer□and□NUD□patients Title: 
Authors: 
Gustavo□Z□Faundez□( gfaundez@uec.inta.uchile.cl )
Miriam□H□Troncoso□( mtronco@uec.inta.uchile.cl )
Guillermo□G□Figueroa□( gfiguero@uec.inta.uchile.cl )
□2□ □30□Aug□2002 Version: Date: 
□Dr□Yoshio□Yamaoka Reviewer: 
□A□paper□whose□findings□are□important□to□those□with□closely□related□research□ Level□of□interest: 
interests 
□Accept□without□revision Advice□on□publication: 
The□paper□has□been□improved.□ 
Only□trivial□typos□were□found□(s1m1□y□s2m2□should□be□s1m1□and□s2m2,□wich□should□be□which).□ 
Competing□interests: 
None□declared. 
Reviewer's□report 
□cagA□and□vacA□in□strains□of□Helicobacter□pylori□from□ulcer□and□NUD□patients Title: 
Authors: 
Gustavo□Z□Faundez□( gfaundez@uec.inta.uchile.cl )
Miriam□H□Troncoso□( mtronco@uec.inta.uchile.cl )
Guillermo□G□Figueroa□( gfiguero@uec.inta.uchile.cl )
□2□ □30□Aug□2002 Version: Date: 
□Dr□Yoshio□Yamaoka Reviewer: 
□A□paper□whose□findings□are□important□to□those□with□closely□related□research□ Level□of□interest: 
interests 
□Accept□without□revision Advice□on□publication: 
The□paper□has□been□improved.□ 
Only□trivial□typos□were□found□(s1m1□y□s2m2□should□be□s1m1□and□s2m2,□wich□should□be□which).□ 
Competing□interests: 
None□declared. 
Please review this paper.
user
Reviewer's□report 
□cagA□and□vacA□in□strains□of□Helicobacter□pylori□from□ulcer□and□NUD□patients Title: 
Authors: 
Gustavo□Z□Faundez□( gfaundez@uec.inta.uchile.cl )
Miriam□H□Troncoso□( mtronco@uec.inta.uchile.cl )
Guillermo□G□Figueroa□( gfiguero@uec.inta.uchile.cl )
□2□ □30□Aug□2002 Version: Date: 
□Dr□Yoshio□Yamaoka Reviewer: 
□A□paper□whose□findings□are□important□to□those□with□closely□related□research□ Level□of□interest: 
interests 
□Accept□without□revision Advice□on□publication: 
The□paper□has□been□improved.□ 
Only□trivial□typos□were□found□(s1m1□y□s2m2□should□be□s1m1□and□s2m2,□wich□should□be□which).□ 
Competing□interests: 
None□declared. 
assistant