Irritable bowel syndrome in women with chronic pelvic pain in a Northeast Brazilian city - Lessa, Lígia Maria Montenegro; Chein, Maria Bethânia da Costa; Silva, Diego Salvador Muniz da; Poli Netto, Omero Benedicto; Nogueira, Antonio Alberto; Coelho, Leidyane Silva Caldas; Brito, Luciane Maria Oliveira (Revista Brasileira de Ginecologia e Obstetrícia, 2013)