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APA Citation
Wing, D. A., Haeri, S., Silber, A. C., Roth, C. K., Weiner, C. P., Echebiri, N. C., Franco, A., Pappas, L. M., Yeast, J. D., Brebnor, A. A., Quirk, J. G., Murphy, A. M., Laurent, L. C., Field, N. T., & Norton, M. E. (2017). placental Alpha Microglobulin-1 Compared With Fetal Fibronectin to Predict Preterm Delivery in Symptomatic Women. Obstetrics and gynecology, 130(6), . http://access.bl.uk/ark:/81055/vdc_100072664845.0x000052