Oral Probiotic Supplementation in Pregnancy to Reduce Group B Streptococcus Colonisation (OPSiP trial): study protocol for a double-blind parallel group randomised placebo trial.
Kelly HayesPatricia A JanssenBeth A PayneCecilia JevittWill JohnstonPatricia JohnsonMichelle M ButlerPublished in: BMJ open (2024)
NCT03407157.