Crynodeb o'r cais
Number of deaths involving helium, by sex, England and Wales, 2001 to 2015 death registrations.
Lawrlwyth cysylltiol ar cais
- Deaths involving helium, England and Wales, 2001 to 2015 (57.3 kB xls)
Lawrlwyth cysylltiol ar cais
- Deaths involving helium, England and Wales, 2001 to 2015 (57.3 kB xls)