“myasthenia gravis”的概念、定义、翻译、参考文献-科学参考

单词	myasthenia gravis
释义	myasthenia gravis [´mī·ǝs·thēn·ē·ǝ `grav·ǝs] ^MEDICINE A muscle disorder of unknown etiology characterized by varying degrees of weakness and excessive fatigability of voluntary muscle.
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