TY  - RPRT
TI  - Irritable bowel syndrome: classification and conceptualization.
AU  - Yehuda Ringel
AU  - Douglas A Drossman
PY  - 2002
DO  - 10.1097/00004836-200207001-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/12184143/
ID  - 12184143
ER  -