Browning RM, Trentino K, Nathan EA, Hashemi N; The Western Australian Patient Blood Management Program. Aust N Z J Obstet Gynaecol. 2012 Oct;52(5): 455-459. doi: 10.1111/j.1479-828X.2012.01478.x. Epub 2012 Sep 7.
Departamento de Anestesia e Medicina da Dor, King Edward Memorial Hospital, Subiaco, WA, Austrália.