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.
复发的危险因素尚无深入研究，尤其是在沙眼的高发区。
Risk factors for recurrence have not been widely studied, particularly in trachoma hyperendemic areas. METHODS.
复发的危险因素尚无深入研究，尤其是在沙眼的高发区。
Risk factors for recurrence have not been widely studied, particularly in trachoma hyperendemic areas. METHODS.
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