Hodnett, E. D. et al. Journal of the American Medical Association 2002; 288: 1373–1381.
181
‘The Cost of Having a Baby in the United States’, Truven Health Analytics Marketscan Study, январь 2013. См. http://transform.childbirthconnection.org/wp-content/uploads/2013/01/Cost-of-Having-a-Baby1.pdf.