Term complications and subsequent risk of preterm birth: registry based study

von Kvalvik, Liv G, Wilcox, Allen J, Skjærven, Rolv, Østbye, Truls, Harmon, Quaker E
Veröffentlicht in BMJ (2020)

Self-reported smoking status and plasma cotinine concentrations among pregnant women in the Norwegian Mother and Child Cohort Study

von Kvalvik, Liv G., Nilsen, Roy M., Skjærven, Rolv, Vollset, Stein Emil, Midttun, Øivind, Ueland, Per Magne, Haug, Kjell
Veröffentlicht 2012