The U.S. Supreme Court has been asked to examine whether class certification is automatically barred when the proposed class definition is "fail safe"—or when membership hinges on a case's outcome on ...

Primary immunodeficiency disorders (PIDs) are a heterogeneous group of disorders characterized, as the name suggests, by deficiencies (abnormal, poor or absent function) in the immune system. As ...

There is no agreement on how to classify, define or diagnose hip-related pain—a common cause of hip and groin pain in young and middle-aged active adults. This complicates the work of clinicians and ...

Interpretation systems for clinical laboratory reporting of genetic variants for inherited conditions have been widely published. By contrast, there are no existing systems for interpretation and ...

Neurotrophic keratitis, also known as neurotrophic keratopathy (NK), is a degenerative disease of the cornea caused by damage to the ophthalmic branch of the trigeminal nerve. A healthy cornea and a ...