Due to a wide range of symptom patterns, patients with irritable bowel syndrome (IBS) are often subgrouped by bowel habit. However, the IBS subgroup with alternating bowel habits (IBS-A) has been poorly characterized.
CNS/WH: Center for Neurovisceral Sciences & Women's Health, Department of Medicine, UCLA, and the VA Greater Los Angeles Healthcare System, Los Angeles, California, USA.
