The features that unequivocally diagnose SLE are: high titer anti ... must be positive, at least once, but not necessarily at the time of the diagnosis decision because an ANA can become negative with ...

A 35-year-old man presents with a chief complaint of purple discoloration of his toes and associated skin lesions that have ...

Despite claims from conservative media and campaign rhetoric pointing to immigration as the cause of crime increases, there is no evidence that immigration — and in particular the recent influx of ...