Risk factors for preterm labor.
Pschirrer
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ER
Department of Obstetrics and Gynecology and Reproductive Sciences, University of Texas-Houston Medical School 77030, USA.
Monga
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D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000175:diagnosis* / Q000209:etiology*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012307:Risk Factors