APA

Madsen C., Haberg S. E., Magnus M. C., Aamodt G., Stigum H., London S. J., Nystad W. & Nafstad P. (20180813). Pregnancy exposure to air pollution and early childhood respiratory health in the Norwegian Mother and Child Cohort Study (MoBa). : BMJ open.

Chicago

Madsen Christian, Haberg Siri Eldevik, Magnus Maria C, Aamodt Geir, Stigum Hein, London Stephanie J, Nystad Wenche and Nafstad Per. 20180813. Pregnancy exposure to air pollution and early childhood respiratory health in the Norwegian Mother and Child Cohort Study (MoBa). : BMJ open.

Harvard

Madsen C., Haberg S. E., Magnus M. C., Aamodt G., Stigum H., London S. J., Nystad W. and Nafstad P. (20180813). Pregnancy exposure to air pollution and early childhood respiratory health in the Norwegian Mother and Child Cohort Study (MoBa). : BMJ open.

MLA

Madsen Christian, Haberg Siri Eldevik, Magnus Maria C, Aamodt Geir, Stigum Hein, London Stephanie J, Nystad Wenche and Nafstad Per. Pregnancy exposure to air pollution and early childhood respiratory health in the Norwegian Mother and Child Cohort Study (MoBa). : BMJ open. 20180813.