| 1. | The application of multilevel model in longitudinal research 多层线性模型在纵向研究中的运用 |
| 2. | A 10 - year longitudinal study of the progression of destructive 成年人牙周附着状况十年纵向研究 |
| 3. | Children ' s experiences with peers and loneliness : a two - year longitudinal study 一项2年纵向研究 |
| 4. | Longitudinal study on rest cardiac output of 9 18 years old students 18岁学生静息心输出量的纵向研究 |
| 5. | A longitudinal study of 5 cephalometric plane angles in female children from 7 to 12 years old 12岁女性儿童5个头影测量平面角度变化的纵向研究 |
| 6. | A longitudinal study of the depth of craniomaxillary complex in female children from 7 to 12 years old 12岁女性儿童的颅上颌复合体深度变化的纵向研究 |
| 7. | A cohort study is a longitudinal study in which a specific population is studied over time 群体研究是在一段时间内对特定群体进行的纵向研究(随机取样) 。 |
| 8. | Longitudinal study of the stability and reproducibility of natural head position in adolescents with different facial types over time 不同颅面型青少年自然头势位重复稳定性的纵向研究 |
| 9. | Longitudinal study of soft tissue profile horizontal growth changes in low and high facial skeletal patterns in males from 9 to 18 years 高低角型男孩颅面部软组织侧貌水平向生长变化的纵向研究 |
| 10. | The study tracked nearly 11 , 000 american adolescents , using data from the national longitudinal study of adolescent health 这个实验用国家青少年健康纵向研究数据,比较了近11000名美国青少年的情况。 |