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APA Citation
Jančar, N., Mihevc Ponikvar, B., & Tomšič, S. (n.d.). cold-knife conisation and large loop excision of transformation zone significantly increase the risk for spontaneous preterm birth: a population-based cohort study. European journal of obstetrics, gynecology, and reproductive biology, 203, 245–249. http://access.bl.uk/ark:/81055/vdc_100034881800.0x000025