title: Ethnicity and epidemiological research: not so black and white.
authors.forename: C C
authors.initials: CC
authors.lastname: Tam
authors.forename: S J
authors.initials: SJ
authors.lastname: Lee
authors.forename: L C
authors.initials: LC
authors.lastname: Rodrigues
mesh_terms: D001741:Black or African American; D005260:Female; D006801:Humans; D007752:Obstetric Labor, Premature / Q000208:ethnology*; D011247:Pregnancy; D012495:San Francisco / Q000453:epidemiology