It's probable been a source of ulcers for many years, though it had not been
diagnosed as a causative agent until 1980's.
fp <uhoh_1999 at hotmail.com> wrote in message
news:7hkphr$fm0$1 at bgtnsc01.worldnet.att.net...
> why only fairly recently has this cropped up as a cause of ulcers?
>>
