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APA Citation
Ronkainen, J., Lowry, E., Heiskala, A., Uusitalo, I., Koivunen, P., Kajantie, E., Vääräsmäki, M., Järvelin, M., & Sebert, S. (2019). maternal hemoglobin associates with preterm delivery and small for gestational age in two Finnish birth cohorts. European journal of obstetrics, gynecology, and reproductive biology, 238, 44–48. http://access.bl.uk/ark:/81055/vdc_100085410484.0x000041