Total cancer deathratio and lung cancer deathratio have a tendency of going up with the increase of service age.
全癌、肺癌死亡率呈现出随工龄的增长,死亡率有增高的趋势。
2
Re-census data, follow-up visits at 12 months of age and the ratio of stillbirths to neonatal deaths suggested that death registration by the DSS was nearly complete.