Cervical Mucus Properties Stratify Risk for Preterm Birth Critchfield, Agatha S. ; Yao, Grace ; Jaishankar, Aditya ; Friedlander, Ronn S. ; Lieleg, Oliver ; Doyle, Patrick S. ; McKinley, Gareth ; House, Michael ; Ribbeck, Katharina Abstract Publication: PLoS ONE Pub Date: August 2013 DOI: 10.1371/journal.pone.0069528 Bibcode: 2013PLoSO...869528C