title: The compilation of an age/sex register in the Huddersfield Health District.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000453:epidemiology; D003365:Costs and Cost Analysis; D003625:Data Collection / Q000379:methods; D004739:England; D005194:Family Practice; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000458:organization & administration; D008875:Middle Aged; D012042:Registries