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Although paralysis after magnesium administration has been described in patients with known myasthenia gravis , it has not previously been reported to be the initial or only manifestation of the disease .
 paralysis, magnesium, myasthenia gravis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 paralysis, magnesium, myasthenia gravis