霍普金斯学院研究项目
天津永阔参加霍普金斯学院研究项目DFID - Private Sector Malaria Prevention (PSMP) Project of Johns Hopkins Bloomberg School of Public Health
天津永阔参加霍普金斯学院研究项目DFID - Private Sector Malaria Prevention (PSMP) Project of Johns Hopkins Bloomberg School of Public Health