朗文中级英语语法强化训练 Æ Ä Œ Ö 斜線零(英语:Slashed zero) ScriptSource - LATIN CAPITAL LETTER O WITHSTROKE (英文) ScriptSource - LATIN SMALL LETTER O WITHSTROKE (英文) 使用這個字母的語言
Stöllberger, Claudia. Stroke patients with atrial fibrillation have a worse prognosis than patients without: data from the Austrian Stroke registry. European