title: Hiatus canalis sacralis in American whites and Negroes.
authors.forename: M
authors.initials: M
authors.lastname: TROTTER
authors.forename: P F
authors.initials: PF
authors.lastname: LANIER
mesh_terms: D044383:Black People; D006801:Humans; D013115:Spinal Canal; D014481:United States; D001741:Black or African American
keywords: SACRAL CANAL