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Kristjansson, Alfgeir L., Ingibjorg E. Thorisdottir, Thora Steingrimsdottir, John P. Allegrante, Christa L. Lilly, and Inga D. Sigfusdottir. "Maternal Smoking During Pregnancy and Scholastic Achievement in Childhood: Evidence From the LIFECOURSE Cohort Study." Eur J Public Health 2017.

Kristjansson, Alfgeir L., et al. "Maternal Smoking During Pregnancy and Scholastic Achievement in Childhood: Evidence From the LIFECOURSE Cohort Study." Eur J Public Health 2017.