रक्तवमन (Hematemesis) को चिकित्सकीय रूप से निम्नलिखित में से किस रूप में परिभाषित किया गया है?

Which of the following conditions is characterized by severe gluten sensitivity?

Select the correct option to name an autoimmune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal muscle:

Otosclerosis is a condition associated with which type of impairment?