A Randomized Clinical Trial of Linagliptin vs. Standard of Care in Patients Hospitalized With Diabetes and COVID-19 oleh Ran Abuhasira, Ran Abuhasira, Irit Ayalon-Dangur, Irit Ayalon-Dangur, Neta Zaslavsky, Neta Zaslavsky, Ronit Koren, Ronit Koren, Mally Keller, Mally Keller, Dror Dicker, Dror Dicker, Alon Grossman, Alon Grossman