Patients hospitalized with COVID-19 have low levels of 25-hydroxyvitamin D.
Nicholas HutchingsVarta BabalyanSisak BaghdasaryanMushegh QefoyanNarina SargsyantsElena AghajanovaAnna MartirosyanRuzanna HarutyunyanOlga LesnyakAnna Maria FormentiAndrea GiustinaJohn P BilezikianPublished in: Endocrine (2021)