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APA Citation
Hezelgrave, N., Seed, P., Tribe, R., & Shennan, A. (2014). pPO.05 Early fetal fibronectin testing at 18 weeks' predicts spontaneous preterm birth, though accuracy is improved with combined CL testing. Archives of disease in childhood, 99, A152. http://access.bl.uk/ark:/81055/vdc_100135178326.0x00000f