PT - JOURNAL ARTICLE AU - Millar, Michael R AU - Gonzalez Sanz, Marta TI - The administration of pertussis vaccine to pregnant women was associated with a small increased risk of chorioamnionitis, but not an increased risk of hypertensive disorders or preterm birth AID - 10.1136/ebmed-2014-110149 DP - 2015 Apr 01 TA - Evidence Based Medicine PG - 73--73 VI - 20 IP - 2 4099 - http://ebm.bmj.com/content/20/2/73.short 4100 - http://ebm.bmj.com/content/20/2/73.full SO - Evid Based Med2015 Apr 01; 20