短語詞組短語Cohort ? study 定群研究cohort mortality study 隊(duì)列研究cohort -study 前瞻性研究cohort approach study 隊(duì)列研究Ambispective cohort study 雙向性隊(duì)列研究;隊(duì)列研究birth cohort study 研究historical prospective cohort study 歷史前瞻性隊(duì)列研究Multiethnic Cohort Study 仍在繼續(xù)進(jìn)行的多種族隊(duì)列研究Mixed Cohort Study 隊(duì)列研究 返回 cohort study