追踪调查 | zhuī zōng diào chá | follow-up study / investigative follow-up | |
纵向研究 | zòng xiàng yán jiù | longitudinal study / follow-up study | |
后续研究 | hòu xù yán jiū | longitudinal study / follow-up study | |
组群研究 | zǔ qún yán jiū | cohort study / follow-up study | |
追踪研究 | zhuī zōng yán jiū | cohort study / follow-up study |