筛选: Committee Shafer, William M, Emory University 删除限定条件 Committee: Shafer, William M, Emory University Committee Stephens, David S, Emory University 删除限定条件 Committee: Stephens, David S, Emory University Department / Specialty Biological and Biomedical Sciences 删除限定条件 Department / Specialty: Biological and Biomedical Sciences Keyword MEGA 删除限定条件 Keyword: MEGA Keyword Streptococcus pneumoniae 删除限定条件 Keyword: Streptococcus pneumoniae