OXFORD RECORD LINKAGE STUDY. A CENTRAL FILE OF MORBIDITY AND MORTALITY RECORDS FOR A PILOT POPULATION.
D003625:Data Collection; D004739:England; D006801:Humans; D009017:Morbidity; D011676:Punched-Card Systems; D014798:Vital Statistics; D014852:Wales
ENGLAND; PUNCHED-CARD SYSTEMS; VITAL STATISTICS; WALES