1 “...Meta-analyses for perioperative (30-day) stroke or death after CEA found rates of 2.4 percent (95...”

2 “...Meta-analyses for perioperative (30-day) stroke or death after CEA found rates of 2.4 percent (95...”

3 “... of NTD-affected pregnancies. The association of folic acid use with twin gestation may be confounded...”

4 “.... Study Selection: For the literature on benefits, meta-analyses; systematic reviews; and randomized...”

5 “... of NTD-affected pregnancies. The association of folic acid use with twin gestation may be confounded...”

6 “.... Study Selection: For the literature on benefits, meta-analyses; systematic reviews; and randomized...”