retrospective cohort study
[环境英汉词典]
retrospective cohort studyn.回顾性群组调研
是什么意思,retrospective cohort study的解释,retrospective cohort study的翻译
[农牧林英汉词典] retrospective cohort study
retrospective cohort study
[环境英汉词典]
retrospective cohort study是什么意思,retrospective cohort study的解释,retrospective cohort study的翻译
[农牧林英汉词典] retrospective cohort study