Risk of preterm birth associated with maternal gingival inflammation and oral hygiene behaviours in rural Nepal: a community-based, prospective cohort study.
Daniel Joseph ErchickSubarna K KhatryNitin K AgrawalJoanne KatzSteven C LeClerqBhola RaiMark A ReynoldsLuke C MullanyPublished in: BMJ open (2020)
Nepal Oil Massage Study, NCT01177111.