title: The second stage of labor: is it shorter in African American and Puerto Rican women?
authors.forename: L
authors.initials: L
authors.lastname: Cohen
mesh_terms: D044383:Black People; D005260:Female; D006801:Humans; D007748:Labor Stage, Second / Q000235:genetics*; D007744:Obstetric Labor Complications / Q000175:diagnosis*; D011247:Pregnancy; D011647:Puerto Rico; D013997:Time Factors; D014481:United States; D044465:White People; D001741:Black or African American