title: Response: how to use a window of opportunity.
authors: Margaret S
authors: MS
authors: Chisolm
authors: Victoria H
authors: VH
authors: Coleman-Cowger
mesh_terms: D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology*; D011297:Prenatal Exposure Delayed Effects / Q000503:physiopathology*; D019966:Substance-Related Disorders / Q000503:physiopathology*