Oral GLP-1 receptor agonists: competition for efficacy and tolerability Affiliations & Notes aDiabetes, Endocrinology, Metabolism Section, Medical Department I, Josef-Hospital, Ruhr University Bochum, 44791 Bochum, Germany bInstitute for Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany cEndocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, ...