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Authors: Hammond, JS Breckenridge, MB
Citation: Js. Hammond et Mb. Breckenridge, Longitudinal analysis of the impact of a Level 1 Trauma Center designationat a University Hospital, J AM COLL S, 188(3), 1999, pp. 217-224

Authors: Demissie, K Breckenridge, MB Joseph, L Rhoads, GG
Citation: K. Demissie et al., Placenta previa: Preponderance of male sex at birth, AM J EPIDEM, 149(9), 1999, pp. 824-830
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