1. Gosden R, Rutherford A. Delayed childbearing. BMJ. 1995;311(7020):1585–6.
2. Hammarberg K, Clarke VE. Reasons for delaying childbearing – a survey of women aged over 35 years seeking assisted reproductive technology. Aust Fam Physician. 2005;34(3):187–8, 206.
3. Nisker J, Bergum V. A child on her mind: a play. In: Bergum V, Van Der Zalm J, editors. Mother life. Studies of mothering experience. Edmonton: Pedagon Publishing; 2007. p. 364–98.
4. Mykitiuk R, Nisker J. Social determinants of “health” of embryos. In: Nisker J, Baylis F, Karpin I, McLeod C, Mykitiuk R, editors. The “healthy” embryo: social, biomedical, legal and philosophical perspectives. Cambridge/New York: Cambridge University Press; 2010. p. 116–35.
5. Lucena E, Bernal DP, Lucena C, Rojas A, Moran A, Lucena A. Successful ongoing pregnancies after vitrification of oocytes. Fertil Steril. 2006;85(1):108–11.