Characteristics Associated With Probiotic Use Among Patients Experiencing Constipation‐Related Symptoms: Results From the CONTOR Study: 2245. (October 2015) - Spiegel, Brennan; Doshi, Jalpa A.; Buono, Jessica L.; Taylor, Douglas C.A.; Hunter, Alyssa Goolsby; Carson, Robyn T.; Martin, Carolyn; Buzinec, Paul; Essoi, Breanna; Chey, William D.