label: Myasthenia Gravis Foundation of America Class
label_lc: myasthenia gravis foundation of america class
description: "A finding associated with a patient with myasthenia gravis that is based on the classification system developed by the Myasthenia Gravis Foundation of America (MGFA) for grading myasthenia gravis that divides the disease into 5 main classes and several subclasses."