recurrent respiratory infection

常见例句

Objective To evaluate the clinical efficacy of P-transfer factor on recurrent respiratory infection(RRTI).
目的观察P-转移因子口服液治疗反复呼吸道感染（RRTI）的临床疗效。
Objective To study the relationship between recurrent respiratory infection(RRI) and gastroesophageal reflux(GER)in children.
目的探讨小儿反复呼吸道感染（RRI）与胃食管返流（GER）的关系。
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Conclusion Double doses of vitamin A supplement have a protective effect on acute and recurrent respiratory infection among children under 5 years of age in poor rural area.
结论定期补充双剂量维生素A对预防急性呼吸道感染、反复呼吸道感染有明显效果。