title: Subject recruitment and retention for longitudinal research: practical considerations for a nonintervention model.
authors.affiliation: Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle 98195.
authors.forename: A P
authors.initials: AP
authors.lastname: Streissguth
authors.forename: C T
authors.initials: CT
authors.lastname: Guinta
mesh_terms: D005260:Female; D006801:Humans; D008962:Models, Theoretical; D011247:Pregnancy; D011248:Pregnancy Complications / Q000139:chemically induced*; D012107:Research Design; D019966:Substance-Related Disorders / Q000150:complications*