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

Por Kvalvik, Liv G, Wilcox, Allen J, Skjærven, Rolv, Østbye, Truls, Harmon, Quaker E
Publicado no BMJ (2020)

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

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