目的探讨牙齿根管治疗期间疼痛的原因和对策。
Objective To study and cure the pain during endodontic interappointment treatment.
目的探讨下肢长骨干骨折成角愈合发生原因和对策。
Objective To discuss the causes and treatment of angulated healing of long bone shaft fracture at lower limbs.
摘要：本文主要介绍了酒精过敏，以及其原因和对策。
ABSTRACT: This article mainly introduced alcohol allergie and the reason and countermeasures.
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