Cytological evaluation and investigation of the vaginal flora of long-term users of the levonorgestrel-releasing intrauterine system (LNG-IUS)☆
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☆ This study was supported by the Fundação de Amparo à Pesquisa do Estado de São Paulo (Grant No. 03/08391-7).
PII: S0010-7824(07)00425-8
doi:10.1016/j.contraception.2007.09.009
© 2007 Elsevier Inc. All rights reserved.
