The mother of all studies.
Dent
Emma
E
D001723:Birth Rate / Q000208:ethnology / Q000639:trends*; D015331:Cohort Studies; D004739:England / Q000453:epidemiology; D006801:Humans; D007226:Infant Mortality / Q000208:ethnology / Q000639:trends*; D007231:Infant, Newborn; D012107:Research Design; D013222:State Medicine