Elsevier, The Lancet, 9781(377), p. 1921-1928, 2011
DOI: 10.1016/s0140-6736(11)60649-1
Elsevier, Year Book of Obstetrics, Gynecology, and Women's Health, (2012), p. 7-9
DOI: 10.1016/j.yobg.2012.06.152
Elsevier, Year Book of Pediatrics, (2013), p. 439-441
DOI: 10.1016/j.yped.2012.03.043
Full text: Download