Murphy Caitlin C, Lund Jennifer L, Sandler Robert S
Division of Epidemiology, Department of Clinical Sciences, University of Texas Southwestern Medical Center, Dallas, Texas.
Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
Gastroenterology. 2017 Jun;152(8):1809-1812.e3. doi: 10.1053/j.gastro.2017.04.030. Epub 2017 Apr 28.