Clomiphene citrate and neural tube defects: A meta-analysis of controlled observational studies
BJOG: An International Journal of Obstetrics and Gynaecology | Apr 26, 2019
Nifedipine alone or combined with sildenafil citrate for management of threatened preterm labour: A randomized trial
BJOG: An International Journal of Obstetrics and Gynaecology | Apr 19, 2019