The safety and sensitivity of a telemetric capsule to monitor gastrointestinal hydrogen production in vivo in healthy subjects: a pilot trial comparison to concurrent breath analysis. - Berean KJ; Ha N; Ou JZ; Chrimes AF; Grando D; Yao CK; Muir JG; Ward SA; Burgell RE; Gibson PR; Kalantar-Zadeh K (Alimentary pharmacology & therapeutics, 2018)