title: Studying delayed speech.
authors.forename: C
authors.initials: C
authors.lastname: Dyke
mesh_terms: D015982:Bias; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007805:Language Development Disorders / Q000209:etiology*; D011247:Pregnancy; D012107:Research Design; D016216:Ultrasonography, Prenatal / Q000009:adverse effects*