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1·Similarly, large cross country differences are reported in Latin America.

同样，拉丁美洲国家之间的差异也很大。

2·Conde-Agudelo a, Belizan JM, Lammers C. Maternal-perinatal morbidity and mortality associated with adolescent pregnancy in Latin America: Cross-sectional study.

Conde - Agudelo a, Belizan JM, Lammers C .，《与拉丁美洲少女怀孕有关的孕产-产前发病率和死亡率：截面研究》。