In the fallowing two years he experienced 20 similar episodes of paralysis of the left arm, each attack Being precipitated by a prolonged paroxysm of coughing.

• 在其后的两年中,病人曾反复发生过20次类似情况的左臂瘫痪,每次发作皆因长时间的阵发性咳嗽所引起。