1. Plasma progesterone, estradiol, and unconjugated estriol concentrations in twin pregnancies: Relation with cervical length and preterm delivery. (21st October 2018) Authors: Johnsson, Vilma L.; Pedersen, Nina G.; Worda, Katharina; Krampl‐Bettelheim, Elisabeth; Skibsted, Lillian; Hinterberger, Stefan; Strobl, Isolde; Bowman, Maria E.; Smith, Roger; Tabor, Ann; Rode, Line Journal: Acta obstetricia et gynecologica Scandinavica Issue: Volume 98:Number 1(2019) Page Start: 86 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗