title: Why did South Wales miners have high mortality? Evidence from the mid-twentieth century.
authors.forename: N
authors.initials: N
authors.lastname: Woodward
mesh_terms: D001991:Bronchitis / Q000453:epidemiology / Q000208:ethnology / Q000266:history; D003032:Coal Mining / Q000266:history / Q000592:standards / Q000706:statistics & numerical data / Q000639:trends; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009026:Mortality / Q000208:ethnology / Q000266:history / Q000639:trends; D011009:Pneumoconiosis / Q000453:epidemiology / Q000208:ethnology / Q000266:history; D014852:Wales