J. A. Clausen and M. J. Santos, "Capturing the complexity of practice as an insider: in-labour ethnography", in New Thinking on Improving Maternity Care: Int. Perspectives, Sarah Church, Lucy Frith, Marie-Clare Balaam, Marie Berg, Valerie Smith, Christa van der Walt, Soo Downe, Edwin van Teijlingen, Ed., Londres, Printer and Martin, 2017, pp. 73-89