Wiley Open Access, Acta Obstetricia et Gynecologica Scandinavica, 6(94), p. 622-628, 2015
DOI: 10.1111/aogs.12613
Lippincott, Williams & Wilkins, Obstetric Anesthesia Digest, 3(36), p. 148-149, 2016
DOI: 10.1097/01.aoa.0000489473.99532.08
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