Probiotics, a promising therapy to reduce the recurrence of bacterial vaginosis in women? a systematic review and meta-analysis of randomized controlled trials oleh Wei Keong Chieng, Muhammad Irfan Abdul Jalal, Jashveerdeep Singh Bedi, Ani Amelia Zainuddin, Mohd Helmy Mokhtar, Muhammad Azrai Abu, Kah Teik Chew, Abdul Ghani Nur Azurah