Clawr = Cover: Cynulliad Cenedlaethol Cymru / National Assembly for Wales, NHS Cymru Wales.
Teitl clawr = Cover title.
Gwasanaethau canser y croen : isafswm safonau Cymru gyfan. Published by Grŵp Cydgysylltu Gwasanaethau Canser in 2000. Publication and catalogue information, links to buy online and reader comments.