著者: Vicki Flenady, Philippa Middleton, Gordon C. S. Smith, Wes Duke, Jan Jaap Erwich, T. Yee Khong, Jim Neilson, Majid Ezzati, Laura Koopmans, David Ellwood, Ruth C. Fretts, J. Frederik Frøen - The Lancet 2011 被引用: 489
