@article{kassebaum2014,
  title={Global, regional, and national levels and causes of maternal mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013},
  author={Nicholas J Kassebaum and Amelia Bertozzi-Villa and Megan Coggeshall and Katya Anne Shackelford and Caitlyn Steiner and Kyle R Heuton and Diego González-Medina and Ryan M Barber and Chantal Huynh and Daniel Dicker and Tara Templin and Timothy M Wolock and Ayşe Abbasoğlu Özgören and Foad Abd-Allah and Semaw Ferede Abera and Ibrahim Abubakar and Tom Achoki and Ademola Adelekan and Zanfina Ademi and Arsène Kouablan Adou and José Carmelo Adsuar and Emilie Agardh and Dickens Akena and Deena Alasfoor and Zewdie Aderaw Alemu and Rafael Alfonso‐Cristancho and Samia Alhabib and Raghib Ali and Mazin J Al Kahbouri and François Alla and Peter J. Allen and Mohammad A. AlMazroa and Ubai Alsharif and Elena Álvarez and Nelson Alvis‐Guzmán and Adansi A. Amankwaa and Azmeraw T. Amare and Hassan Amini and Walid Ammar and Carl Abelardo T. Antonio and Palwasha Anwari and Johan Ärnlöv and Valentina Arsić‐Arsenijević and Ali Artaman and Majed Asad and Rana J Asghar and Reza Assadi and Lydia S Atkins and Alaa Badawi and Kalpana Balakrishnan and Arindam Basu and Sanjay Basu and Justin Beardsley and Neeraj Bedi and Tolesa Bekele and Michelle L. Bell and Eduardo Bernabé and Tariku J. Beyene and Zulfiqar A Bhutta and Aref Bin Abdulhak and Jed D Blore and Berrak Bora Başara and Dipan Bose and Nicholas J. K. Breitborde and Rosario Cárdenas and Carlos A Castañeda-Orjuela and Rubén Castro and Ferrán Catalá-López and Alanur Çavlin and Jung‐Chen Chang and Xuan Che and Costas A. Christophi and Sumeet S. Chugh and Massimo Círillo and Samantha Colquhoun and Leslie T. Cooper and Cyrus Cooper and Iúri da Costa Leite and Lalit Dandona and Rakhi Dandona and Adrian Davis and Anand Dayama and Louisa Degenhardt and Diego De Leo and Borja del Pozo Cruz and Kebede Deribe and Muluken Dessalegn and Gabrielle deVeber and Samath Dhamminda Dharmaratne and Uğur Dilmen and Eric L. Ding and Rob Dorrington and Tim Driscoll and Ermakov Sp and Alireza Esteghamati and Emerito Jose A Faraon and Farshad Farzadfar and Manuela Felício and Seyed-Mohammad Fereshtehnejad and Graça Maria Ferreira de Lima},
  year={2014},
  journal={The Lancet},
  doi={10.1016/s0140-6736(14)60696-6},
  url={https://doi.org/10.1016/s0140-6736(14)60696-6}
}