title: Age distribution of patients attending the out-patient department University of Benin Teaching Hospital: a retrospective study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006784:Hospitals, Teaching; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data*; D012189:Retrospective Studies