凡有人久患脚气,不自知别,于后因他病发动,疗之得瘥。后直患呕吐而复脚弱,余为诊之。乃告为脚气,病者曰∶我平生不患脚肿,何因名为脚气,不肯服汤。余医以为石发,狐疑不仁凡患