smei
abbr.
severe myoclonic epilepsy of infancy 婴儿严重肌阵挛型癫痫;
Sales and Marketing Executives International （美国）国际营销与市场执行委员会;
例句:
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Stiripentol showed promise in treating SMEI in a previous trial when combined with two other drugs, clobazam and valproate.
来自BBC