This paper narrated harmful composition in the gaseous state and granulous state of the steam and smoke,and the harm of smoking,appeal control smoking.

本文述说了烟和粒中的有害成分和吸烟的害处,呼吁控制吸烟。

Objective To establish the animal model of bone hydatid disease caused by Echinococciasis granulous, so as to investigate the law of occurrence and development of bone hydatid disease.

目的建立骨细粒棘球蚴病动物,探索骨包虫病的发生、发展规律提供试验技术平台。