TY  - RPRT
TI  - Irritable bowel syndrome symptom patterns: frequency, duration, and severity.
AU  - B Hahn
AU  - M Watson
AU  - S Yan
AU  - D Gunput
AU  - J Heuijerjans
PY  - 1998
DO  - 10.1023/a:1026663613695
UR  - https://pubmed.ncbi.nlm.nih.gov/9881504/
ID  - 9881504
ER  -