But this disease isn t lack in work.Its clinic feature is chronic myalgia, stiffness of extremity, tiredness and soon.

• 但此病于临床并不少见,以慢性肌痛,肢体僵硬,疲乏无力等为主要表现,常常严重干扰病人的工作和生活,为其带来很大痛苦。