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1993年是《中华预防医学杂志》（前身为《中华卫生杂志》）创刊40周年，对人生来说正处在青壮年，它经历了艰辛的岁月。儿童少年卫生学是预防医学的一个组成部分，它是以儿童少年为服务对象，研究儿童少年所处的外环境（包括生物、物理、化学以及社会文化等）对他们的机体（体?
1993 marks the 40th anniversary of the publication of “China Preventive Medicine Journal” (formerly known as “China Health Journal”). It is in its prime for life and has experienced a difficult time. Childhood hygiene is an integral part of preventive medicine. It aims at serving children and adolescents and studying how their environment (including biological, physical, chemical and social cultures) of their children and adolescents can affect their bodies (body, body,