title: Reports on the prevalence of clinical conditions are more convincing when supported by objective evidence.
authors.affiliation: Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, USA. Julius.Schachter@ucsf.edu
authors.forename: Julius
authors.initials: J
authors.lastname: Schachter
authors.forename: Robin
authors.initials: R
authors.lastname: Bailey
authors.forename: Chandler R
authors.initials: CR
authors.lastname: Dawson
authors.forename: Thomas M
authors.initials: TM
authors.lastname: Lietman
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D016000:Cluster Analysis; D004282:Documentation / Q000592:standards; D055317:Evidence-Based Practice; D006306:Health Surveys; D006801:Humans; D007223:Infant; D015995:Prevalence; D015203:Reproducibility of Results; D013397:Sudan / Q000453:epidemiology; D014141:Trachoma / Q000453:epidemiology*