Vieira, Daniel E., Emily M. Langmeyer, Marissa D. Cortopassi, Deepti Ramachandran, William B. Rubio, Nagasuryaprasad Kotikalapudi, Yancheng Zhou, and Alexander S. Banks. Submitted. “Microbial Metabolism of Mannitol As a Tracer for the Non-Invasive Measurement of Oral-Cecal Transit”. BioRxiv, Submitted.