Adroddiad y Gweithgor ar Glefyd Meningococaidd yng Nghymru = Report of the Working Group into Meningococcal disease in Wales.
Working Group into Meningococcal Disease in Wales.
Wales.National Assembly.
Caerdydd : Cynulliad Cenedlaethol Cymru,
1999.
Teitl clawr = Cover title.
Meningitis
Septicemia