| 1. | Investigation of prevalence rate in workers exposed to acryl onitrile
接触丙烯腈工人疾病谱调查 |
| 2. | Study on the prevalence rate of hypertension in guangxi hei yi zhuang population
广西黑衣壮族人群高血压患病率调查 |
| 3. | Contraceptive prevalence rate
节育率避孕率 |
| 4. | From existing data , the prevalence rate of misplaced maxillary canine varies from 1 % to 3 %
摘要上颚未萌出异位及阻生犬齿的盛行率约为1 % ~ 3 % 。 |
| 5. | Analyses on status of two - week prevalence rate and it ' s influential factor in country residents of shiyan
十堰地区农村居民两周患病率与影响因素分析 |
| 6. | Research on prevalence rate of hypertension and analysis of relevant factors among people in jiangsu
江苏泰州市城区人群高血压患病率及其危险因素调查 |
| 7. | Study on prevalence rate of osteopenia in the middle - aged and elderly population in some areas of china
中国部分地区中老年人群骨量减少症患病率研究 |
| 8. | Conclusion the prevalence rates of hypospadias in chinese perinatals from 1987 to 2001 showed an upward tendency
结论中国围生儿尿道下裂发生率有上升趋势。 |
| 9. | A study on rural residents ' two - week prevalence rate and its influential factors in haian county of jiangsu province
江苏省海安县农村居民两周患病率及影响因素分析 |
