RT Journal T1 OUtbreaks of gastrointestinal illness of unknown etiology associated with eating burritos—united states, october 1997-october 1998 JF JAMA JO JAMA YR 1999 FD April 14 VO 281 IS 14 SP 1263 OP 1264 DO 10.1001/jama.281.14.1263 UL http://dx.doi.org/10.1001/jama.281.14.1263 AB