%0 Journal Article %T Review: data are lacking on the effect of bed rest in women with singleton pregnancies who are at high risk of preterm birth %D 2005 %R 10.1136/ebm.10.1.21 %J Evidence Based Medicine %P 21-21 %V 10 %N 1 %U https://ebm.bmj.com/content/ebmed/10/1/21.full.pdf