目的了解艾滋病高发区孕妇HIV感染现状及相关危险因素。
Objective to study HIV infection and the related risk factors among pregnant women.
目的探讨相关行为危险因素与高血压的关系。
OBJECTIVE to study the relationship of hypertension morbidity to risk behaviors.
目的探讨相关行为危险因素与高血压的关系。
OBJECTIVE to study the relationship of hypertension morbidity to risk behaviors.
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