Midgestation maternal serum 25-hydroxyvitamin D level and soluble fms-like tyrosine kinase 1/placental growth factor ratio as predictors of severe preeclampsia.
Woodham PC, Brittain JE, Baker AM, Long DL, Haeri S, Camargo CA, Boggess KA, Stuebe AM. Midgestation maternal serum 25-hydroxyvitamin D level and soluble fms-like tyrosine kinase 1/placental growth factor ratio as predictors of severe preeclampsia. Hypertension. 2011 Dec; 58(6):1120-5.