Time spent in NHS accident and emergency departments, April 2016 to March 2017, file type: PDF, file size: 1 MB
Amser a dreuliwyd yn adrannau damweiniau ac achosion brys GIG, Ebrill 2016 i Mawrth 2017, Saesneg yn unig, math o ffeil: PDF, maint ffeil: 1 MB