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2. Committee on Obstetric Practice American College of Obstetricians and Gynecologists. Committee Opinion No.543: Timing of umbilical cord clamping after birth. Obstet Gynecol. 2012;120(6):1522–6.
3. Royal College of Obstetricians and Gynaecologists, Scientific Advisory Committee. Clamping of the umbilical cord and placental transfusion, Scientific Impact Paper No. 14, 2015. [ http://rcog.org.uk/globalassets/documents/guidelines/scientific-impact-papers/sip-14.pdf ] Accessed: 27 August 2015.
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5. American Academy of Pediatrics. Statement of endorsement. Timing of umbilical cord clamping after birth. Pediatrics. 2013;131(4):e1323. doi: 10.1542/peds.2013-0191 .