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A multicentred clinical trial was conducted in 12 countries to assess the contraceptive efficacy and side effects of a low-dose levonorgestrel-releasing vaginal ring. Contraceptive efficacy and side(More)
BACKGROUND Interleukin-17A (I-17A)-producing CD4+T helper cells have been implicated in allergic inflammation; however, the role of IL-17A in allergic rhinitis (AR) patients with different degrees of(More)