title: Follow-up of preterm children: important to document dropouts.
authors.forename: D
authors.initials: D
authors.lastname: Wolke
authors.forename: B
authors.initials: B
authors.lastname: Söhne
authors.forename: B
authors.initials: B
authors.lastname: Ohrt
authors.forename: K
authors.initials: K
authors.lastname: Riegel
mesh_terms: D015982:Bias; D002658:Developmental Disabilities / Q000453:epidemiology; D005500:Follow-Up Studies; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D010352:Patient Dropouts / Q000706:statistics & numerical data*