title: Longitudinal research using computerized clinical databases: caveats and constraints.
authors.affiliation: School of Nursing, University of California, Los Angeles 90024, USA.
authors.forename: A K
authors.initials: AK
authors.lastname: Wuerker
mesh_terms: D003199:Computer Systems; D016208:Databases, Factual; D006801:Humans; D008137:Longitudinal Studies; D016347:Medical Records Systems, Computerized; D015399:Nursing Research / Q000379:methods*