title: Testing for maternal drug abuse: how much is enough?
authors.forename: E C
authors.initials: EC
authors.lastname: Maynard
mesh_terms: D005260:Female; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D019966:Substance-Related Disorders / Q000517:prevention & control*