Nelson LM, Williams VSL, Fehnel SE, Tourkodimitris S, Baird MJ, Carson RT, Johnston JM. Psychometric evaluation of patient-reported outcome measures for assessing chronic constipation symptom severity and change: results from phase 2b and phase 3 trials of linaclotide. Presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. [abstract] Neurogastroenterol Motil. 2012 Sep 6; 24(Suppl. s2):180.
Spiegel BMR, Locke G, Kurtz CM, Williams VSL, Nelson LM, Carson RT, Currie MG, Schneier HA, Johnston JM. Clinically meaningful change benchmarks for IBS-C symptoms developed using data from two phase 3 trials of linaclotide. Presented at the Joint International Neurogastroenterology and Motility Meeting; September 2012. Bologna, Italy. [abstract] Neurogastroenterol Motil. 2012 Sep; 24(s2):35.