Developing and implementing national health identifiers in resource limited countries: why, what, who, when and how?
Beck EJ, Tanna G, Vega IDE, Arews G, Bocher P, Garcia Calleja JM, Cutler J, Ewing W, Mahy M, Makofane K, Marsh K, Sabin K, Williams BG, Nunez C, Ghys P, Low-Beer D
