Nifedipine alone or combined with sildenafil citrate for management of threatened preterm labour: a randomised trial
- Type
- Expression of concern
- Notice date
- 3/5/2020 0:00
- Journal
- BJOG: British Journal of Obstetrics and Gynaecology
- Publisher
- Wiley
- Notice DOI
- 10.1111/1471-0528.16082
- Original paper DOI
- 10.1111/1471-0528.15503