TY - GEN AU - Vogel,Joshua P AU - Chawanpaiboon,Saifon AU - Watananirun,Kanokwaroon AU - Lumbiganon,Pisake AU - Petzold,Max AU - Moller,Ann-Beth AU - Thinkhamrop,Jadsada AU - Laopaiboon,Malinee AU - Seuc,Armando H AU - Hogan,Daniel AU - Tunçalp,Ozge AU - Allanson,Emma AU - Betrán,Ana Pilar AU - Bonet,Mercedes AU - Oladapo,Olufemi T AU - Gülmezoglu,A Metin TI - Global, regional and national levels and trends of preterm birth rates for 1990 to 2014: protocol for development of World Health Organization estimates SN - 1742-4755 PY - 2017///0518 KW - Birth Rate KW - Data Interpretation, Statistical KW - Epidemiologic Research Design KW - Gestational Age KW - Humans KW - Premature Birth KW - epidemiology KW - World Health Organization N1 - Publication Type: Journal Article UR - https://doi.org/10.1186/s12978-016-0193-1 ER -