Iechyd Gwynedd
Subtitle: Adroddiad blynyddol y cyfarwyddwr meddygaeth iechyd  cyhoeddus = The health ofGwynedd : annual report of the director of  public health medicine.
Publisher: Gwynedd Health Authority = Awdurdod Iechyd Gwynedd
Published: 1991
Place of publication: Bangor
Language: wel
Number of pages: 72
Notes: Parallel Welsh and English text.